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Learning Center
What is BPA? Should I be worried about it?
Find out more about BPA, a chemical used in some plastics and resins, and explore options for reducing your exposure.
What do the dates on food packages mean?
Get to know what the dates on food packages mean, including the 'sell by' and 'best if used by' dates.
Weightlifting: Bad for your blood pressure?
Although beneficial in the long term, weightlifting can cause temporary, sometimes dramatic, increases in blood pressure.
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.
Vitamins for MS: Do supplements make a difference?
Can vitamin supplements improve MS symptoms?
Vitamin D and MS: Is there any connection?
Some research suggests that vitamin D may reduce the risk of multiple sclerosis (MS).
Vicks VapoRub: An effective nasal decongestant?
Find out why you should not use this ointment to ease a stuffy nose during a cold.
Vegetarian diet: Can it help me control my diabetes?
Although switching to a vegetarian diet won't cure diabetes, it may offer some benefits.
Vaping during pregnancy: Is it safe?
Vaping during pregnancy can expose your baby to nicotine.
Ultraprocessed foods: Convenience at what cost?
Ultraprocessed foods, such as frozen dinners, are staples for many Americans. Why do these convenience foods have a bad rep?
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