Vaccines and immunizations Archive

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.

A recent colonoscopy may raise questions before you donate blood, but the reason behind this screening question may surprise you.

Hyperparathyroidism involves excess hormone production from tiny neck glands and can disrupt calcium balance, bone health and overall well-being.

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.

A lower-than-usual white blood cell count is often temporary, especially after illness. Find out what your number may mean and when retesting might be needed.

Swollen feet can stem from everyday factors or underlying health conditions, and recognizing the possible causes can help guide your next steps.

Several factors increase the risk for complications from COVID-19 or influenza and should prompt someone to request an antiviral medication as soon as possible, even if they have been vaccinated or have had the infections before. The risk factors are age (being 65 or older), an impaired immune system, and underlying conditions (especially heart or lung disease). Pregnant women also are at increased risk for severe influenza and COVID, and should consider taking an antiviral.

A positive TB skin test can raise questions about infection, exposure, and what happens next. Find out which follow-up steps may be needed.

Transparent circles or other visual changes can appear before migraine pain. Find out what these symptoms may mean and what to discuss with your doctor.

Aluminum is common in foods, cookware, and personal-care products, but questions remain about how much exposure or ingestion matters.