Dr. Graf also notes that for extremely sensitive, dry, or rosacea-prone skin, glycolic acid might be too harsh altogether. “Gentler exfoliants, such as lactic acid or polyhydroxy acids (PHAs), might ...

Cardiovascular and metabolic health are influenced by the circadian system, which regulates 24-hour rhythms across numerous physiologic processes. Disruptions to circadian rhythmicity can adversely ...