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Home » Training Guides » 8 Benefits of Lifting Weights You've Probably Never Heard of

8 Benefits of Lifting Weights You’ve Probably Never Heard of

Hitting the gym can do more for your life than just helping you look good at the beach.

Written by Nick English
Updated by Jake Dickson, NASM-CPT, USAW-L2 on November 23rd, 2024

One of the most damaging misconceptions surrounding the world of fitness is that lifting weights is simply an exercise in vanity. But an essential lesson to internalize — for both experienced athletes and enthusiastic beginners — is that looking nice is just a side effect of the process. An enjoyable side effect, sure, and for many, it’s the reason they pick up a barbell in the first place.

But the benefits of strength go way, way, way beyond that. Some of them – confidence, lower body fat, resistance to injury – you’re probably aware of. Still, it would be a disservice not to mention some additional perks alongside the popular ones we all see on magazine covers. Below you’ll find eight unique yet potent benefits of lifting weights.

Benefits of Lifting Weights

  • A Stronger Brain
  • Cleaner Blood
  • Activated Genes
  • Reduced Depression
  • Fewer Strokes
  • Improved Posture
  • Better Relationships
  • Better Sleep Quality

Editor’s note: The content on BarBend is meant to be informative in nature, but it shouldn’t take the place of advice and/or supervision from a medical professional. The opinions and articles on this site are not intended for use as diagnosis, prevention, and/or treatment of health problems. Speak with your physician if you have any concerns.

A Stronger Brain

Like many parts of the body, the brain tends to shrink with age, but lifting weights appears to help slow the process.

A lot of the classic literature surrounding the interaction of exercise on brain health focuses on the benefits of aerobics. Fortunately, modern science is finally concluding that lifting is good for the mind. Aggregate analyses confirm that regular resistance training augments critical thinking skills and recall, with the benefits being more potent the earlier in life you start lifting. (1)

When younger folks start a lifting habit, it builds a stronger brain that’s less susceptible to Alzheimer’s disease and other forms of mental decline, possibly because progressive resistance training seems to boost BDNF, a protein that helps to build new brain cells. (2)

Practical Application

  • Find a training split or program that suits your needs and stick to it. There’s no specific exercise that will make you smarter or quick-witted, but the overall benefits are too large to ignore.

Cleaner Blood

Worried about your cholesterol levels? Strength training can be a solid natural remedy. In one widely-cited study of women in their twenties, 14 weeks of heavy strength training (at 85 percent of their one-rep max) resulted in significant decreases in blood cholesterol levels, including a strong trend towards a more favorable ratio of “bad” to “good” cholesterol. (3)

blood cells
Phonlamai Photo/Shutterstock

Of course, heavy lifting is also a super effective way to reduce body fat. A slimmer waistline is another factor linked to reducing the risk of heart disease or other cardiac ailments. The list goes on and on. (4)

Practical Application

  • If you’ve only been pounding the pavement, work out how to incorporate lifting with cardiovascular exercise. The synergistic benefits alone are worth mixing it up when it comes to your preferred style of training. 

Activated Genes

The genes you’re born with, as it turns out, don’t control your destiny. Not entirely, anyway — while your “genetic blueprint” is fixed, strength training appears to activate and “reprogram” certain genes. (Think of it like changing the software in your hardware – the genes don’t change, but the way they act do.)

Scientists postulate that a shift in gene expression could be why resistance training is linked to better immunity, stress response, and protein synthesis. (5)

There’s still a lot to learn, but one thing’s relatively clear — stronger muscles mean healthier genes.

Practical Application

  • Unfortunately, no workout routine will grant you superpowers (though the right program comes close) or change your hair color. Consistent resistance training affords a slew of “silent” health benefits like better genetic behaviors.  

Reduced Depression

Iron may indeed be the best therapy (medicine ball slams are a close second). Compared with aerobic training or no exercise at all, resistance training has been shown in several studies to be the best form of physical exercise to reduce the symptoms of generalized anxiety. (6)

Image Credit: Seasontime/Shutterstock

In one particularly promising trial of 30 sedentary women, signs of worry and anxiety showed remission in 60 percent of the participants, compared with 40 percent for the aerobic training group. (7)

While these studies are definitely promising, they’re not a blanket recommendation and do not constitute medical advice. Speak with a medical practitioner first if you think you may be experiencing the symptoms of depression.

Practical Application

  • Hitting the gym to improve your mood will only work if you actually like what you’re doing. Make sure you’re on a routine that makes lifting weights fun and not a chore of its own.

[Related: Three Steps to Better Time Management For Strength Athletes]

Fewer Strokes

Physical inactivity has been listed by the famous Interstroke study as one of the five key risk factors responsible for 80 percent of the world’s strokes, and in this case, more is better. (8)

A meta-analysis of a whopping 23 studies concluded that the risk reduction in adults who practiced regular physical exercise was as high as 27 percent. (9)

Much of this literature doesn’t differentiate between aerobic and resistance training, but while aerobic definitely has its place, strength – in particular, grip strength – has been strongly correlated with stroke risk. (10)

Practical Application

  • Like many other preventative benefits of weight lifting, you can’t really target stroke risk reduction through training. For general well-being, find a balanced routine that includes some form of cardio as well, possibly at the end of your session. 

Improved Posture

From a young age, most of us were told to “stand up straight” or “quit slouching.” While we may have chalked this up to motherly nagging at the time, it turns out that these jabs are rooted in tangible science that backs resistance training as well. 

Lifting weights helps develop and strengthen the core, spine, hips, and shoulders musculature, which are all heavily dedicated to maintaining correct posture. Aside from making you look a little taller when you enter a room, improved posture has been regularly linked to better health outcomes regarding back pain. (11) 
dewar inverted row

[Read More: Powerbuilding Workout Routine, With Tips from a CPT]

A lesser-known perk, however, is the effect of good posture on cognition. Some literature argues that people who stand — properly, of course — instead of sitting or slouching can have better thought patterning and cognition skills, helping them perform better in the workplace. (12)

Practical Application

  • If you want to give extra attention to your posture, incorporate posterior chain and upper back movements like Romanian deadlifts, back extensions, or your favorite row variation. 

[RELATED: Best Back Exercises] 

Better Relationships

We’re not saying that hitting the gym will help you find the love of your life — although a workout can be a good first date idea. Concerning interpersonal relationships in general, some science suggests physical activity performed with coworkers can improve quality of life and reduce stress in the workplace. (13)

[Read More: The Best Ab Exercises & Workouts, According to a CPT]

We can’t guarantee that doing a partner ab workout will prevent you from being irritated by an insufferable colleague, but getting some group-based activity together may help ease tensions or perceived workload both in and out of the office. (14) 

Practical Application

  • Group training sessions like those commonly found in CrossFit are great for hitting the iron with partners or partners. Alternatively, having a workout buddy with you in the gym to serve as a spotter or motivator might benefit your actual training more than you think. 

[Related: The History of the Modern Day Gym]

Better Sleep Quality 

You probably don’t need someone to tell you that getting a good night’s sleep is essential for way more than just crushing it in the gym. Being consistently well-rested improves every aspect of your life, not just your training. 

Fortunately, lifting weights is one of the most thoroughly-backed methods of improving rest quality for just about everyone. (15) For those who rely on a pill or potion to get some shut-eye, research suggests that consistent resistance training may suitably replace the medication for inducing sleep long-term. (16) 

Practical Application

  • Get on a good resistance training program if you find yourself lacking in healthy sleep patterns. Be careful when you decide to hit the gym, though — training close to your normal bedtime can actually inhibit your body’s ability to relax, especially if you use a pre-workout supplement. 

[Related: 3 Ways to Use Kettlebells for Active Recovery]

Wrapping Up

Many of the conditions we just mentioned are considered consequences of the aging process. Strength training’s ability to prevent, combat, and reverse some of their effects is why lifting weights can literally make your body younger. (17) That said, if you have a serious condition, always consult with your doctor regarding treatment. 

It can be easy to stumble upon a routine guaranteed to give you a boulder chest or cannonball-sized shoulders and conflate resistance training with vanity. As it turns out, lifting does just as much — if not more — for the inside of your body as it does the outside. 

References

  1. Herold, F., Törpel, A., Schega, L. et al. (2019) Functional and/or structural brain changes in response to resistance exercises and resistance training lead to cognitive improvements – a systematic review. Eur Rev Aging Phys Act 16(10).
  2. Yarrow, J. F., White, L. J., McCoy, S. C., & Borst, S. E. (2010). Training augments resistance exercise induced elevation of circulating brain derived neurotrophic factor (BDNF). Neuroscience letters, 479(2), 161–165. 
  3. Prabhakaran, B., Dowling, E. A., Branch, J. D., Swain, D. P., & Leutholtz, B. C. (1999). Effect of 14 weeks of resistance training on lipid profile and body fat percentage in premenopausal women. British journal of sports medicine, 33(3), 190–195. 
  4. Powell-Wiley et al. (2021) Obesity and Cardiovascular Disease: A Scientific Statement From the American Heart Association. American Heart Association. 
  5. Liu, D., Sartor, M. A., Nader, G. A., Gutmann, L., Treutelaar, M. K., Pistilli, E. E., Iglayreger, H. B., Burant, C. F., Hoffman, E. P., & Gordon, P. M. (2010). Skeletal muscle gene expression in response to resistance exercise: sex specific regulation. BMC genomics, 11, 659. 
  6. O’Connor PJ, Herring MP, Caravalho A. (2010) Mental Health Benefits of Strength Training in Adults. American Journal of Lifestyle Medicine 4(5):377-396. 
  7. Melville A. N. (2011) Resistance Training Improves Generalized Anxiety Disorder. American College of Sports Medicine. 
  8. O’Donnell M. et al. (2010) Risk factors for ischaemic and intracerebral haemorrhagic stroke in 22 countries (the INTERSTROKE study): a case-control study. The Lancet 376(9735).
  9. Lee, C. D., Folsom, A. R., & Blair, S. N. (2003). Physical activity and stroke risk: a meta-analysis. Stroke, 34(10), 2475–2481. 
  10. Leong et al. (2015) Prognostic value of grip strength: findings from the Prospective Urban Rural Epidemiology (PURE) study. The Lancet 386(9990). 
  11. Nowotny, J., Nowotny-Czupryna, O., Brzęk, A., Kowalczyk, A., & Czupryna, K. (2011). Body posture and syndromes of back pain. Ortopedia, traumatologia, rehabilitacja, 13(1), 59–71. 
  12. Smith, K.C., Davoli, C.C., Knapp, W.H. et al. (2019) Standing enhances cognitive control and alters visual search. Atten Percept Psychophys 81, 2320–2329.
  13. Jakobsen, M. D., Sundstrup, E., Brandt, M., & Andersen, L. L. (2017). Psychosocial benefits of workplace physical exercise: cluster randomized controlled trial. BMC public health, 17(1), 798. 
  14. Jakobsen, M. D., Sundstrup, E., Brandt, M., Jay, K., Aagaard, P., & Andersen, L. L. (2015). Physical exercise at the workplace reduces perceived physical exertion during healthcare work: cluster randomized controlled trial. Scandinavian journal of public health, 43(7), 713–720. 
  15. Kovacevic, A., Mavros, Y., Heisz, J. J., & Fiatarone Singh, M. A. (2018). The effect of resistance exercise on sleep: A systematic review of randomized controlled trials. Sleep medicine reviews, 39, 52–68. 
  16. Yang, P. Y., Ho, K. H., Chen, H. C., & Chien, M. Y. (2012). Exercise training improves sleep quality in middle-aged and older adults with sleep problems: a systematic review. Journal of physiotherapy, 58(3), 157–163. 
  17. Melov S, Tarnopolsky MA, Beckman K, Felkey K, Hubbard A (2007) Resistance Exercise Reverses Aging in Human Skeletal Muscle. PLoS ONE 2(5)

Featured Image: Joshua Resnick/Shutterstock

About Nick English

Nick is a content producer and journalist with over seven years’ experience reporting on four continents. Since moving to New York City in 2013 he's been writing on health and fitness full time for outlets like BarBend, Men's Health, VICE, and Popular Science.

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