title: A virtual checkup. Advice on health, fitness, and parenting can make the Web a lifeline.
authors: T
authors: T
authors: Appenzeller
authors: S
authors: S
authors: Brink
authors: J
authors: J
authors: Fischman
authors: M B
authors: MB
authors: Marcus
authors: R K
authors: RK
authors: Sobel
mesh_terms: D000529:Complementary Therapies; D006266:Health Education; D006801:Humans; D020407:Internet; D009747:Nutritional Physiological Phenomena; D016487:Parenting; D010809:Physical Fitness; D011315:Preventive Medicine; D014481:United States