Diseases & Conditions Archive

Periodontal disease, the leading cause of adult tooth loss, may increase the risk of diabetes, heart disease, and dementia.

Retrolisthesis may appear on an x-ray with or without symptoms. Explore what can cause this spinal change and how doctors approach treatment

A 2026 study found that larger waist measurements increased heart disease-related risks, even among people with normal weight. Obesity with a small waist conferred no greater risks compared to people with normal weight and a small waist.

Osteoporosis in men can have several contributing factors, from hormones and medications to underlying conditions that affect bone health.

Sudden changes in speech, balance, and coordination can signal an urgent health concern, especially when they fade quickly or recur.

For people with excess weight, type 2 diabetes, and heart disease, using the GLP-1 drug tirzepatide (Mounjaro, Zepbound) may lower the risk of heart attack, infection, and death from any cause more than taking an older drug, sitagliptin (Januvia), according to a 2026 study.

Men without evidence of low testosterone levels (hypogonadism) who use testosterone appear to face a higher risk of serious cardiovascular problems and death from all causes than men who use testosterone replacement therapy for documented hypogonadism, according to a 2026 study.

Physical activity, even as little as 15 minutes a day of moderate-intensity exercise, is linked with a lower risk of stroke and death in people with atrial fibrillation.

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.