National Geographic: Your body ages rapidly in two ‘bursts,’ at 44 and 60. Here’s how to prepare. (Apple News)
The scientists used the samples to examine more than 135,000 different molecules and microbes including metabolites, lipids, proteins, and precursors to proteins (RNA molecules) that are known to be associated with immune health, cardiovascular function, metabolism, kidney function, and muscle and skin structure.
Altogether, the samples formed some 246 billion data points (biomarkers) for the team to measure across the 50-year age span of the participants. …
The results show that 81 percent of the molecules didn’t change continuously—as would be expected with linear aging—but instead transformed significantly around ages 44 and 60.