|
|
Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.
The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.
![A William Jennings Bryan poster alludes to religion: “no crown of thorns” and no “cross of gold.” Br](https://biology-forums.com/gallery/47/medium_376716_26_08_15_11_16_36_2244824.jpeg)
![Stretch quadriceps muscles by bringing the heel of the foot to the buttocks. Hold the stretch for ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_7_05_49_333142129.jpeg)