|
|
It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.
The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.
![Defibrillator. Defibrillators are devices that supply a voltage charge to the heart in the hope of r](https://biology-forums.com/gallery/47/medium_14755_11_11_12_7_15_46_100301985.jpeg)
![Immunization with a vaccine. A healthcare professional is injecting a vaccine into the patient’s arm](https://biology-forums.com/gallery/47/medium_14755_11_11_12_7_20_13_10048217.jpeg)
![The medical assistant often has to reassure and comfort the patient before effective communication c](https://biology-forums.com/gallery/47/medium_380792_21_05_16_2_07_16_235561803.jpeg)