Examlex
The seasons are caused by the changing amounts of energy received at Earth as a result of Earth's elliptical orbit.
Antioxidants
Substances that can prevent or slow damage to cells caused by free radicals, often found in foods.
Free Radicals
Unstable atoms or molecules with unpaired electrons that can cause damage to cells, proteins, and DNA by stealing electrons from other molecules.
Longevity
The length of time that an individual lives or a thing lasts.
Maximum Life Span
The longest period an individual member of a species is known to have lived, considering genetic and environmental factors.
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