aging

We have written about peer review at ACSH; here is a slightly different take from Marginal Revolution.

A musical icon, Joni Mitchell, returned to the stage 7 years after a brain aneurysm left her unable to speak or play the guitar. This is a real example of the strength of the human spirit.

“What is the association between adolescent health conditions that are commonly treated by physicians and accelerated biological age at midlife?”

Feeling physically and mentally tired after some activities is a sign of aging; ask any adult over, say 50 tasked with caring for a toddler for the day. And fatigability is a sign within aging of increasing frailty.

Scientists have developed multiple techniques to measure our energy expenditure and assign portions to our metabolism, our body's maintenance, and the energy necessary to go from the couch to the refrigerator and back.

“Conrad Hal Waddington became recognized as the last Renaissance biologist.

“Conrad Hal Waddington became recognized as the last Renaissance biologist.

As we mature through infancy, adolescence, adulthood, and our "senior" years, our bodies go through many changes.

For lack of a more sophisticated term, the reason we grow old and die is because our biological tissues “wear out.”

Genome-Wide Association Studies, GWAS, look at the genomic milieu, but the presence or absence of a gene rarely tells the whole story. Genes, need to be transcribed, and ultimately metabolic products are created.