MEMORY HORMONE?
Can a chemical restore lost or weakened memory? In reports to the journal Lancet, scientists suggest that a hormone found in the pituitary gland may have that effect. The remarkable mnemonic is vasopressin, which was previously known to help regulate the body's water content. The levels of vasopressin in the blood appear to decrease after about the age of 50, just when many people begin to complain of failing memories.
The researchers gave male volunteers aged 50 to 65 three sprays of vasopressin in each nostril every day for three days. Similar...
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