Health
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We hear about calories all the time How many calories are in this cookie How many are burned by doing 100 jumping jack...View full lesson
An estimated 20 million cases of blindness worldwide are caused by cataracts a curable condition affecting the lens th...View full lesson
Your body produces more than a liter of mucus every day and when youre sick it can be hard to miss. But what exactly i...View full lesson
Teflon was in the spacesuits the Apollo crew wore for the moon landing in pipes and valves used in the Manhattan proje...View full lesson
The average person experiences dozens of individual itches each day. Weve all experienced the annoyance of an inconven...View full lesson
Annually we shower over 5 billion pounds of pesticides across the Earth to control insects unwanted weeds funguses rod...Explore the medical condition known as bipolar disorder and learn about its symptoms causes and treatments.
The word bipolar means tw...