When you're reaching for the salt shaker during your Thanksgiving feast, here's a new piece of research you might want to keep in mind: Eating a lot of salt increases your risk for strokes and heart disease, according to a new analysis coming out Wednesday.

Cutting people's salt intake by one teaspoon a day could save around four million lives worldwide every year, researchers say.

Cutting the amount of salt you eat by one teaspoon a day could save you from a stroke, warn experts. Eating less salt reduces the risk of stroke by almost a quarter and the chances of heart disease by 17 per cent, according to a new review of research studies.