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Reversibility

All articles tagged with #reversibility

Extensive Review Finds Alcohol Triggers 60+ Fully Attributable Diseases, With Limited Reversibility
health19 days ago

Extensive Review Finds Alcohol Triggers 60+ Fully Attributable Diseases, With Limited Reversibility

A new review in Addiction confirms that alcohol causes more than 60 diseases and injuries that are entirely attributable to consumption, raises infection risk, and is linked to five broad non-communicable disease categories (cancer, cardiovascular disease, type 2 diabetes, neuropsychiatric, and gastrointestinal diseases). Some short‑term harms and certain cardiovascular markers can improve with abstinence, but chronic damage such as cirrhosis and much brain injury are not fully reversible, leading to the conclusion that alcohol’s overall harms outweigh any potential benefits (with evidence for heart protection at low intake remaining inconclusive).

via Neuroscience News|
#abstinence#alcohol#disease
Meiosis-Targeted Breakthrough Moves Toward Reversible Nonhormonal Male Contraception
science1 month ago

Meiosis-Targeted Breakthrough Moves Toward Reversible Nonhormonal Male Contraception

Cornell researchers in mice used the small molecule JQ1 to block meiosis at prophase 1, halting sperm production for three weeks with fertility and normal offspring restored within six weeks after stopping treatment, providing a proof of principle for a safe, reversible, nonhormonal male contraceptive; the team plans to pursue additional meiosis targets and aim to develop a long-acting delivery method (injection or patch) and even launch a company to advance these candidates.

via Cornell Chronicle|
#jq1#meiosis#nonhormonal-contraception
"Two-Way Time Flow Uncovered in Materials by Physicists"
science2 years ago

"Two-Way Time Flow Uncovered in Materials by Physicists"

Physicists have discovered that time can flow in both directions within materials, contrary to our perception of time as irreversible due to the second law of thermodynamics. While we typically see disorder increase over time, researchers have found that the motion of molecules in glass or plastic can be reversed when observed from a specific angle, challenging our understanding of time's unidirectional flow in certain materials.

via Interesting Engineering|
#materials#physics#reversibility
The Science Behind Gray Hair and Potential Reversal.
health3 years ago

The Science Behind Gray Hair and Potential Reversal.

New research has found that gray hair may be preventable or even reversible by moving melanocyte stem cells to their proper location, where they continue to mature and generate pigment. This study also shows promise in the area of cancer research, as melanocytes are the cell types that proliferate uncontrollably in melanoma. While this new revelation is exciting, the research still has a way to go before it can be used safely in humans. Genetics and environmental factors such as UV radiation and pollution also play a role in premature graying.

via Prevention Magazine|
#cancer#gray-hair#health