Diseases & Conditions Archive

Contrary to common assumptions, new allergies can emerge well into adulthood. New food allergies are more common than new seasonal ones, and shellfish is the most prominent late-emerging allergen. Women are more likely to develop food allergies in adulthood than men and to grapple with severe food-related anxiety. Some people with childhood allergies, such as those to peanuts or pollen, stop having symptoms when they reach adulthood. People who experience potential new allergy symptoms should see their primary care doctor or an allergist.

People who received a COVID vaccine during the first two years of the pandemic had a lower risk of developing long COVID, according to a 2024 study.

Blue light therapy can treat conditions on or just under the skin, but it typically doesn't work well for varicose veins. Thick and rope-like, varicose veins require more aggressive approaches to eradicate them, such as sclerotherapy or thermal ablation.

The shingles vaccine, Shingrix, can trigger side effects such as a sore arm, achiness, fatigue, and fever. But Shingrix is highly effective at preventing painful shingles rashes and a complication called postherpetic neuralgia, which involves long-lasting nerve pain.

Not all drug side effects are created equal: some are tolerable, some are dangerous -- and some may turn out to be surprisingly beneficial with weight loss and hair growth as superstar examples. Silver linings like these can lead to a new purpose for some medications.

Continuous glucose monitors, or CGMs, offer valuable and accurate insights into blood sugar levels. But it's important to understand who CGMs are most appropriate for.

One condition affecting the hands and fingers is Dupuytren's contracture, where one or more fingers become curled, making it difficult to perform everyday activities. Dupuytren's affects one in 20 Americans, so what do people need to know about it?

Frequent urination-defined as urinating more than eight times during the day or more than once at night-is believed to affect millions of Americans. Contributors can include drinking excessive amounts of liquid, substances that act as diuretics or bladder irritants, certain medications, pregnancy, aging, various medical conditions, and anxiety. People should consider seeing a doctor if lifestyle changes don't reduce the number of times they urinate each day.