17+ hour, 9+ min ago  (937+ words) As people age, the immune system loses some of its punch. Vaccines work less well, cancer becomes harder to control, and the body struggles to recognize new threats. A major reason is the thymus, a small organ that steadily shrinks…...

5+ day, 14+ hour ago  (1037+ words) Some cancers build up large amounts of a faulty protein, and scientists believe that this buildup may finally offer a way to attack them. A new study found that using this overload can push cancer cells toward death. Researchers in…...

1+ week, 3+ day ago  (744+ words) Scientists have just organized an enormous collection of predicted protein shapes into families, using artificial intelligence and a powerful new comparison method. Working from AlphaFold models spanning organisms across the tree of life, they uncovered roughly 700,000 previously undescribed shape groups…...

2+ week, 6+ day ago  (755+ words) Scientists have directly watched a Parkinson's protein punch tiny, shifting holes in lab-grown brain cell membranes for the first time. The work helps explain how Parkinson's disease, which affects more than 10 million people worldwide, slowly wears neurons down over many…...

3+ week, 3+ day ago  (1150+ words) A strict form of the keto diet has been linked to faster cellular aging in males, while females on the same plan did not show the same damage." The difference appears to come down to sex hormones and how they…...

1+ mon, 2+ week ago  (761+ words) The United States has set new maximum levels for lead in foods made for babies and toddlers. Most of these foods now have a cap of 10 parts per billion, a tiny concentration unit used for contaminants, in a move led…...

1+ mon, 2+ week ago  (728+ words) A new investigation tested 23 protein powders and ready to drink shakes sold in the United States. More than two thirds exceeded what its experts consider safe for lead in a single serving. Plant based lines posted the highest averages. The…...

2+ mon, 3+ week ago  (826+ words) Proteins keep our cells alive and functioning, but both depend deeply on water. Take that water away, and everything unravels " cells shrivel, proteins misfold, and life grinds to a halt. Dehydration is usually fatal for living things " but not for…...

2+ mon, 4+ week ago  (690+ words) Amyotrophic lateral sclerosis (ALS) remains one of medicine's most perplexing conditions. Known for its devastating progression, it strips away the body's ability to move, speak, and eventually breathe. Each year, thousands of Americans are diagnosed, with survival often measured in…...

2+ mon, 4+ week ago  (1059+ words) Cells age for many reasons, but one idea keeps resurfacing. As the years pass, small DNA changes stack up inside tissues and slowly tilt biology off balance. A new set of analyses points the finger at a single control hub…...