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What causes the feeling of 'butterflies' in your stomach?
By Marilyn Perkins, Anna Gora last updated
Flutters, knots and other stomach sensations tied to nervousness are all examples of the gut-brain axis in action.

CTE may stem from rampant inflammation and DNA damage
By Larissa G. Capella published
New research shows that CTE may stem from DNA damage and inflammation set in motion by blows to the head.

High-fiber diet may 'rejuvenate' immune cells that fight cancer, study finds
By RJ Mackenzie published
A laboratory study reveals an interaction between dietary fiber and the gut microbiome that may be helpful for fighting cancer.

Science history: 'Patient zero' catches SARS, the older cousin of COVID — Nov. 16, 2002
By Tia Ghose published
A person came down with an atypical form of pneumonia in November 2002, but it would be two months before anyone realized it was the start of a pandemic.

New drug could prevent diabetes complications not fixed with blood sugar control, study hints
By Nicoletta Lanese published
An experimental drug compound could be a promising treatment for harmful diabetes complications, per a new study in lab mice and human cells.

New Jersey man dies from meat allergy triggered by tick bite
By Nicoletta Lanese published
A man in New Jersey has died from a meat allergy that people can develop after being bitten by certain tick species.

This budget-friendly Fenix 8 alternative hits the lowest-ever price ahead of Black Friday
By Anna Gora published
Deals Save 22% on the Garmin Instinct 3 Solar at Amazon.

Study reveals why the brain 'zones out' when you're exhausted
By Sophie Berdugo published
Your sleep-deprived brain behaves as if you were about to nod off to sleep, even when you're awake.

Brain benefits of exercise come from the bloodstream — and they may be transferrable, mouse study finds
By Anirban Mukhopadhyay published
Exercise strengthens both the body and the mind, and researchers are uncovering the molecular messengers that make the connection. The messengers can also be transferred from an active mouse to a sedentary one.
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