Cdc

2 articles

A person sleeping peacefully, symbolizing the vital role of sleep in maintaining a strong and active immune system against illness.

Four Hours Sleep Slashes Immune Cells to 72% Activity

Just one night of sleeping only four hours can slash your natural killer cell activity by 72%, leaving your body significantly more vulnerable to illness, according to the CDC.

Chloe Bennett·May 25, 2026

A grocery cart filled with ultra-processed foods, symbolizing the dominant dietary intake in the United States according to recent CDC findings.

Nutrition

Ultra-processed foods now make up over half of U.S. diets

More than half of all calories consumed by Americans aged one and older now come from ultra-processed foods, a dietary shift observed between August 2021 and August 2023, according to the CDC .

Ryan Patel·April 16, 2026