We know the body changes over time, but new research suggests those shifts may be more sudden and staggering than previously thought.
A new study from Stanford Medicine reveals that many of the body’s molecules and microorganisms starkly rise or fall in numbers at two specific times — ages 44 and 60.
Researchers drew this conclusion after assessing thousands of molecules — including RNA, proteins and metabolites — and their microbiomes, the collection of bacteria, viruses and fungi that live on and inside us, in people 25 to 75 years old.
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