Medical research

Dutch scientists say human lifespan has limits

Dutch researchers claimed Thursday to have discovered the maximum age "ceiling" for human lifespan, despite growing life expectancy because of better nutrition, living conditions and medical care.

Genetics

Gene could play role in body's muscle mass

Scientists have identified a gene they think could play a role in determining a person's muscle mass - which is linked to a number of health factors, including how long someone lives.

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