A new study has found that taking a certain supplement could help slow down the aging process. Here's everything you need to ...

“When the clocks go forward by one hour in the spring ... “Warm milk, for example, contains tryptophan, an amino acid that boosts serotonin levels and promotes relaxation.

Zuckerkandl & Pauling (1965) likened the constant accumulation of amino acid substitutions over time to regular ‘ticks' of clocks, and stated that ‘there may exist a molecular evolutionary clock'.