A cut that would close in days on a 25-year-old can linger for weeks on a 75-year-old, and the usual explanations (thinner ...

Until 1963, dimethyl sulfoxide was just another liquid solvent used in industry. Then University of Oregon researchers reported that DMSO had varied medicinal properties—that, in fact, it was a wonder ...

Topical pain relief products work by using counterirritants like menthol and camphor, which stimulate sensory receptors in your skin and may block pain sensations. Research suggests topical analgesics ...

The unique and extraordinary microorganism that produces the avermectins (from which ivermectin is derived) was discovered by Ōmura in 1973 (Figure 1). It was sent to Merck laboratories to be run ...

Polge, Smith and Parkes 1 first reported the protective action of glycerol against the adverse effects on spermatozoa of freezing and thawing. Lovelock 2 found that the protective action of glycerol ...

Kojic acid inhibits melanin production by blocking tyrosine, an amino acid needed to make melanin. This can lighten visible sun damage, age spots, or scars. It’s found in cosmetic products like creams ...

You can use topical creams with capsaicin, lidocaine, or menthol to help relieve nerve pain. Capsaicin creams block pain signals and can cause irritation if they get in your eyes. Lidocaine creams ...

Your child’s dermatologist may prescribe this medicine when corticosteroids stop working, fail to work, or are not a good option for your child. Your child’s dermatologist may prescribe this medicine ...

Penlac is a prescription antifungal lacquer used for mild to moderate toenail fungus but is less effective for tough fungi. Over-the-counter treatments like Lamisil cream can be effective for mild ...

Atopic dermatitis (AD) is a chronic, pruritic inflammatory skin disease that occurs most frequently in children but also affects many adults. The Academy is publishing a series of updates to the AD ...

Department of Chemical and Biological Engineering, Princeton University, Princeton, New Jersey 08544, United States More by J. Clay Hamill, Jr.