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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
The average adult has about 21 square feet of skin.
A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.
Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.
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.
![Spinal cord—levels of injury; A, areas of sensory function (dermatomes); B, areas of motor function.](https://biology-forums.com/gallery/47/medium_18099_25_10_12_10_55_44.jpeg)
![SSRIs block the reuptake of serotonin into nerve terminals, resulting in increased serotonin levels.](https://biology-forums.com/gallery/32/medium_398119_27_07_17_2_34_30_321861729.jpeg)