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Did you know?
Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).
Did you know?
Asthma cases in Americans are about 75% higher today than they were in 1980.
Did you know?
Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.
Did you know?
Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.
Did you know?
It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
![Growth cones. The cytoplasmic fingers (the filopodia) of growth cones seem to grope for the correct ...](https://biology-forums.com/gallery/30/medium_548020_06_06_17_12_41_55_30343765.png)
![Pin the skin and subcutaneous fascia on a spot on the back using the thumb of one hand; place the ...](https://biology-forums.com/gallery/32/medium_380798_22_08_17_12_32_35_328421547.jpeg)