Psoriasis Archive

Cold germs can leap from one person to the next in more ways than you might think. Learn the everyday habits that increase spread.

Soil, water, and food processing can all introduce Listeria into everyday foods. Learn who is most vulnerable and how to reduce risk.

Recurring white patches or odd tastes in the mouth can signal yeast infection known as thrush. Yeast overgrowth may be tied to dentures, antibiotics, or immune problems.

Having a persistent illness is challenging. It means having to make changes and adjustments to accommodate your needs, but it does not have to mean giving up on everything you enjoy.

A 2025 study suggested that people with certain chronic conditions were more likely to experience side effects after cosmetic injections with botulinum toxin (Botox, Dysport, Xeomin).

Daily nasal irrigation (nasal rinses) may reduce symptom severity and the duration of a cold. It can also relieve the congestion caused by sinus infections and allergies. By means of a squeeze bottle, neti pot, or battery-powered system, saline is inserted into one nostril and flows out the other.

Elderberry syrup or tea may help reduce the duration and severity of cold and flu symptoms, but the evidence for these benefits is uncertain. Claims that elderberry products can prevent viral infections or boost immunity are unproven.

About half of Americans have herpes simplex virus type 1, which causes cold sores that can recur periodically. The virus can't be eliminated, but topical and oral treatments can help. In addition, people can avoid cold sore triggers such as stress or fatigue.

Autoimmune disorders that may involve skin symptoms include psoriasis, lupus, scleroderma, dermatomyositis, vitiligo, bullous pemphigoid, alopecia areata, lichen planus, autoimmune thyroid disease, celiac disease, rheumatoid arthritis, and sarcoidosis.