Sentences with phrase «first cellular age»

Not exact matches

Now 24, he is a first - year graduate student in the department of cellular and structural biology at the University of Texas Health Science Center in San Antonio (UTHSCSA), where he is studying the role of oxidative damage — the wear and tear inflicted upon the cell by toxic molecules called free radicals — in the aging process.

First proposed in 1972, the mitochondrial theory of aging suggests that it's free radical damage to our cells» power source, known as mitochondria, that leads to a loss of cellular activity and function over time.

'» Another group of researchers agrees, writing in Dermatology Research and Practice that there are two theories for aging: the first «focuses on reduced cellular lifespan, decreased responsiveness and functionality, and dysfunctional immune responses,» while the second «points towards environmental damages, focusing on DNA damage, inflammation and free radical formation.»