An intense but short-term exposure to cannabis vapor lowered sperm counts and slowed sperm movement, or motility, not only in the directly exposed male mice but also in their sons.
Dec 2, 2021
1
115
Like so many other good things in life, sleep is best in moderation. A multiyear study of older adults found that both short and long sleepers experienced greater cognitive decline than people who slept a moderate amount, ...
Oct 20, 2021
0
182
Researchers are trying to unravel why some COVID-19 survivors suffer "brain fog" and other problems that can last for months, and new findings suggest some worrisome overlaps with Alzheimer's disease.
Jul 30, 2021
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712
How do we decide whether or not an activity which requires work is 'worth the effort'? Researchers at the University of Birmingham & University of Oxford have shown that the willingness to work is not static, and depends ...
Jul 28, 2021
1
1732
Scientists have long known the brain's hippocampus is crucial for long-term memory. Now a new Northwestern Medicine study has found the hippocampus also plays a role in short-term memory and helps guide decision-making.
Jun 18, 2021
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305
A team of researchers from the Netherlands, Austria and Germany has found that a well-known mnemonic device used to improve short-term memory also improves longer-term memory. In their paper published in the journal Science ...
A tiny population of neurons known to be important to appetite appear to also have a significant role in depression that results from unpredictable, chronic stress, scientists say.
Feb 11, 2021
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200
The famous patient Henry Molaison (long known as H.M.) suffered damage to his hippocampus after a surgical attempt to cure his epilepsy. As a result, he had anterograde amnesia, which meant that things he learned never made ...
Dec 18, 2020
1
50
New research has found that individuals born with inherited mutations of the "BLM gene' are more susceptible to developing mesothelioma, especially upon exposure to asbestos. The study was conducted by University of Hawaiʻi ...
Dec 18, 2020
0
28
Contrary to previous assumptions, visual short-term memory is not merely based on one kind of information about an object, such as only its color or only its name. Rather, several types of information can be retained simultaneously ...
Dec 8, 2020
0
93
