Eating less protein might help people live longer and healthier lives.

Previous research showed that eating fewer calories can help people live longer and be healthier.

A new review of many studies suggests that eating less protein can have similar benefits without cutting calories.

A doctor shared habits that can help people live longer and avoid chronic illness.

The review found that eating less protein can help the body work better and reduce damage to cells.

Research shows that high protein intake is good for active people, but not for those who don't exercise.

Eating less protein can increase a hormone that helps the body use energy, reduce inflammation, and control blood sugar.

Some amino acids can contribute to aging and damage when people don't exercise.

A simple test can show how long a person might live.

High levels of certain amino acids can cause damage and inflammation in people who don't exercise.

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A researcher said protein is good for muscle growth in active people.

Most people don't exercise and probably eat too much protein.

Eating too much protein can have negative health effects, according to a researcher.

The study had limitations and couldn't prove cause and effect in humans.

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More research is needed to see if eating less protein can help people live longer.

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The review emphasizes that protein needs are different for each person.

Active people need protein to build muscle.

Exercise helps the body use protein to build and repair muscle.

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Pregnant women and older adults need more protein.

Public health guidelines should consider a person's age and activity level when recommending protein intake.

A lifestyle writer covers topics including food, travel, and health.