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You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.
Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).
Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.
Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.
Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.
![Amniocentesis. The patient is examined with ultrasound to determine the placental site and to locate ...](https://biology-forums.com/gallery/47/medium_660366_15_03_17_5_37_22_271452391.jpeg)
![The hierarchical organization of the sensory systems. The receptors perform the simplest and most ...](https://biology-forums.com/gallery/30/medium_548020_05_06_17_11_48_56_30309985.png)