Nutrition basics
Learning Center
Glucosamine: Does it protect cartilage in osteoarthritis?
Glucosamine manufacturers claim their products slow or stop cartilage damage in osteoarthritis.
Induced lactation: Can I breastfeed my adopted baby?
With time and dedication, breastfeeding without pregnancy (induced lactation) might be possible.
Does soy really affect breast cancer risk?
Soy foods reduce the risk of breast cancer, but more research is needed to determine whether soy supplements are equally beneficial.
Infant growth: What's normal?
Infant growth rates depend on various factors. Consider what's typical during baby's first year.
Warm-mist versus cool-mist humidifier: Which is better for a cold?
Warm-mist and cool-mist humidifiers are equally effective in humidifying the air.
Flu shots for kids: Does my child need a flu shot?
Know the latest recommendations for children's flu vaccines.
COVID-19 variants: What's the concern?
The virus that causes COVID-19 has changed over time, which has affected prevention, diagnosis and treatment of COVID-19.
Baby teeth: When do children start losing them?
Losing baby teeth is a major childhood milestone. Find out what to expect.
Eating the placenta: A good idea?
Despite claims of benefits, eating your placenta after giving birth can be harmful to you and your baby.
Can vitamin D protect against coronavirus disease 2019 (COVID-19)?
Find out what the research says about vitamin D and coronavirus disease 2019 (COVID-19).
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