harvardhealth_news_UNDEFINED
Even after using a certain deodorant for years, people can develop allergic contact dermatitis to that product. Individuals who suddenly develop redness, itching, or a rash in their armpits should stop using their deodorant and switch to another product.
Caffeine is likely to help prevent or dull headaches when it’s used consistently and in moderation. For most adults, moderation means the amount in about one to two cups of coffee a day.
A 2026 analysis indicated that among adults ages 50 and older, men were more inclined than women to rely on medical professionals when making health care decisions and less likely to put quality of life ahead of simply living longer.
The bird dog exercise is performed on the hands and knees. It involves extending one arm and the leg on the opposite side simultaneously. This exercise is highly effective at strengthening the core, the group of muscles in the abdomen, back, pelvis, and hips that stabilize the spine.
Every person smells a little different, due to genetics, hygiene habits, and the skin’s microbiome (the microbes that naturally live on the skin), but body odor occurs when someone’s scent becomes foul. It is most noticeable when people are sweating, but body odor changes sometimes signal certain health conditions.
Social media influencers blame “high cortisol” for an array of problems, from stubborn belly fat to poor sleep. But true cortisol disorders are rare and most people have no evidence that abnormal cortisol levels are driving such problems.
Having conversations in restaurants and other noisy places can be challenging for people with hearing loss. Strategic seating and using devices such as hearing aids (adjusted to reduce background noise) or a remote microphone can help people follow and engage in conversations.
Many people with gout are at increased risk for heart disease, possibly due to shared risk factors and the effects of chronic inflammation on the heart and blood vessels. Medication to treat gout, along with dietary changes and regular physical activity, can lower risks.
Building strength requires progressive resistance training two to three times a week, challenging major muscle groups. Expect strength gains resulting from nerves more effectively recruiting existing muscle within two weeks and visible muscle growth after eight to 12 weeks. Results also depend on consuming adequate calories and protein.
Hyaluronic acid is a naturally occurring compound in our bodies that attracts and binds water. It has become a widely used ingredient in a range of skin care products, from serums and moisturizers to eye creams and sunscreens. Using products formulated with hyaluronic acid can improve the look of aging skin by helping to replenish moisture and fill in or plump fine lines.