“We know in general that people that are younger and healthy can have better responses to vaccines than people who are older or very young,” said Michelle Barron.
Caffeine is a powerful stimulant. This means it can wake you up, help you stay focused, and even get things moving in the bathroom. But this also means it spikes your blood pressure and stresses your heart, says Amber Khanna.
While a good diet and fitness regimen can have a positive impact on your health, “simply being overweight increases your risk for cardiovascular disease in particular,” says Judith Regensteiner.
Lower sodium levels in the blood are associated with mental impairment and decline in older men, a new study finds.