Ask unlimited questions for free
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
Cyanide works by making the human body unable to use oxygen.
For a complete list of videos, visit our video library