Randomized trials show that weight management and more physical activity can improve sexual function for some men with erectile difficulties and some women with type 2 diabetes. Sleep, smoking and alcohol also matter, though the evidence is less direct.
Lifestyle habits can make a measurable difference to sexual function, but the evidence is strongest in specific groups and the effects are usually moderate. Randomized trials show that weight management combined with more physical activity improved erectile function in some men with obesity, and improved sexual function in some women with type 2 diabetes who had sexual difficulties. Smoking, heavy drinking and short sleep are also linked to sexual concerns, although that evidence is less direct. Lifestyle change works best as one part of a plan, not as a replacement for medical evaluation.
Sexual response depends on healthy blood flow, nerves and hormones, as well as mood. The National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) lists not getting enough physical activity, drinking too much alcohol, smoking and recreational drug use among the lifestyle behaviors that may contribute to erectile dysfunction. It also lists diabetes, heart and blood vessel disease, and obesity among the most common medical causes. Many of those conditions are themselves influenced by daily habits, which is why lifestyle change can help on more than one level.
A 2004 randomized trial published in JAMA enrolled 110 men aged 35 to 55 with obesity and erectile dysfunction, but without diabetes, high blood pressure or high cholesterol. Men in the intervention group received detailed advice on reducing calories and increasing physical activity, with a goal of a 10% or greater reduction in body weight. The control group received general information about healthy food and exercise.
After 2 years, average body mass index fell from 36.9 to 31.2 in the intervention group, compared with 36.4 to 35.7 in the control group. Average physical activity rose from 48 to 195 minutes per week. Erectile function scores improved in the intervention group (from 13.9 to 17 on average) and stayed essentially unchanged in the control group. Seventeen men in the intervention group and 3 in the control group reached a score in the normal range. The authors concluded that lifestyle changes were associated with improved sexual function in about one third of men with obesity and ED.
A 2011 systematic review and meta-analysis in the Archives of Internal Medicine pooled 6 randomized trials with 740 participants. Across the 4 trials of lifestyle interventions alone (597 participants), erectile function scores improved by an average of 2.40 points more than in control groups. The authors noted the small number of trials as a limitation.
The Look AHEAD study tested an intensive lifestyle intervention aimed at a 10% reduction in body weight through diet and physical activity. A 2013 analysis in Diabetes Care looked at 375 women with type 2 diabetes and overweight or obesity. At the start, 50% of the sexually active participants met criteria for female sexual dysfunction.
After 1 year, the lifestyle group had an average weight reduction of 7.6 kg, compared with 0.45 kg in the comparison group. Among women who had sexual dysfunction at the start, those in the lifestyle group were more likely to remain sexually active (83% compared with 64%), reported greater improvement in sexual function scores, and were more likely to have their sexual dysfunction resolve (28% compared with 11%). The study found no significant difference among women who did not have sexual dysfunction at the start.
These trials show averages. Some participants improved substantially and others did not, and the people studied had specific health profiles. Still, across these trials, improvements in weight and activity were associated with better sexual function for a meaningful share of participants. If you are curious where you stand, our BMI calculator is a starting point for a conversation with a provider, though BMI alone does not describe your health.
The NIDDK points to the Physical Activity Guidelines for Americans, which recommend at least 150 minutes of moderate-intensity activity, such as brisk walking, each week. The NIDDK notes that physical activity increases blood flow through the body and helps maintain a healthy weight. For comparison, men in the intervention group of the 2004 JAMA trial reached an average of 195 minutes per week.
If you have heart disease, diabetes or another chronic condition, ask a licensed provider before significantly increasing exercise intensity.
A 2015 pilot study in the Journal of Sexual Medicine followed 171 women for 14 days. Longer sleep was linked to greater sexual desire the next day, and each additional hour of sleep was associated with a 14% increase in the odds of partnered sexual activity. The findings on physical arousal were mixed: on a given night, longer sleep predicted slightly poorer next-day genital arousal, while women who slept longer on average reported better arousal overall. This was a small study of women recruited from a university setting, so the results are a signal rather than proof, but the authors concluded that sufficient sleep supports healthy desire.
The NIDDK calls quitting smoking one of the best things you can do for erectile function and overall health, because smoking is linked to heart and blood vessel disease.
The NIDDK lists drinking too much alcohol and recreational drug use as contributors to ED and recommends limiting alcohol and avoiding recreational drugs. It also notes that heavy drinking and drug use can mask other physical or emotional causes.
The NIDDK lists anxiety, depression, stress and low self-esteem among factors that can cause or worsen ED, and it recommends relaxation techniques and caring for your mental and emotional health. Counseling, alone or with a partner, is a recognized part of treatment when these factors are involved.
Sometimes they are enough, and sometimes they are not. In the 2004 JAMA trial, about one third of men in the lifestyle group reached normal erectile function scores, which means most did not. Lifestyle change works well alongside medical care and does not replace an evaluation for underlying causes.
The trials described here measured results after 1 to 2 years. Individual timelines vary. A licensed provider can help you set realistic goals.
The Look AHEAD analysis studied women with type 2 diabetes, so its results cannot be assumed to apply to everyone. The sleep study looked at a different group of women and suggests daily habits may matter more broadly, but larger studies are needed.
Ask a licensed provider first. Erectile difficulties can be linked to heart and blood vessel disease, so an evaluation before increasing exercise intensity is sensible.
Healthy habits support sexual health, but persistent changes in desire or function deserve a proper evaluation. A licensed provider can look for underlying causes, help you build a realistic plan, and discuss whether additional treatment makes sense. You can learn more on our sexual health page. This article is educational and does not determine eligibility for any treatment.
Written by the NewDay Wellness editorial team from the sources above and checked against them before publication, and medically reviewed by Dr. Sean Arora and Dr. Shannon Arora of Arora Health & Aesthetics; see our editorial standards. This article is educational and does not diagnose conditions, establish eligibility for any medication, or replace care from a licensed provider. Compounded medications are not FDA-approved.
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