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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.
More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.
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.
Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.
Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.
![A tracheotomy tube in place, inserted through an opening in the front of the neck and anchored withi](https://biology-forums.com/gallery/47/medium_14755_10_09_12_7_14_27_8496830.jpeg)
![The larynx, trachea, bronchi, and lungs with an expanded view showing the structures of the alveolus ...](https://biology-forums.com/gallery/47/medium_665046_02_03_17_9_29_19_262592215.jpeg)