Nutrition basics
Learning Center
Chart of high-fiber foods
Looking to eat more fiber every day? Here are some common foods that can help.
Carbohydrates: How carbs fit into a healthy diet
See why carbohydrates are important for your health and learn which ones to choose.
Cancer causes: Popular myths about the causes of cancer
Get the facts and find out why these popular myths about cancer causes are wrong.
Cancer
Find out the basics about cancer, including symptoms, causes and treatments. Learn steps you can take to prevent cancer.
Caffeine: Is it dehydrating or not?
Caffeinated drinks usually won't dehydrate you, but water is still your best option.
Caffeine: How much is too much?
Is your caffeine habit causing problems? Find out how much is too much and if you need to curb your consumption.
Caffeine: How does it affect blood pressure?
Caffeine can temporarily increase blood pressure, but its long-term effects on blood pressure are unclear.
Caffeine and depression: Is there a link?
Caffeine and depression are not directly linked, but there can be an indirect connection.
COPD
This chronic inflammatory lung disease causes obstructed airflow from the lungs, resulting in breathing difficulty, cough, mucus production and wheezing.
Breast cysts: What role does caffeine play?
Too much caffeine may possibly increase your risk of breast discomfort.
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