Weight-loss basics
Learning Center
Testosterone therapy in women: Does it boost sex drive?
This type of hormonal therapy may boost sex drive for some women, but its long-term safety is unclear.
Starting solids: When is the right time?
Understand when to start feeding your baby solid foods.
Sperm: How long do they live after ejaculation?
After ejaculation, the life span of sperm depends on the circumstances.
Slow metabolism: Is it to blame for weight gain?
Is a slow metabolism the reason for your weight gain? Or is something else going on?
Skin changes during pregnancy: What can you expect?
Find out about common skin changes during pregnancy, including pigmentation changes, varicose veins, acne and stretch marks.
Silicone breast implants: What happens if they rupture?
Understand the health effects of ruptured silicone breast implants.
Repeat C-sections: Is there a limit?
Repeat C-sections are common — but each C-section is generally more complicated than the last.
Prolotherapy: Solution to low back pain?
Prolotherapy may help low back pain, but proof remains elusive.
Probiotics and prebiotics: What you should know
Probiotics are foods or supplements that contain 'good' bacteria that might help treat or prevent illness. Should they be part of your diet?
Prenatal vitamins: OK for women who aren't pregnant?
Prenatal vitamins: Why they might not be suitable if you're not pregnant.