Behind the Science: InsideTracker's Star Rating System

It’s great to have choices. But you’re busy. And you don’t have time to filter through endless options. You’d like a guide to the best choices — a scientific one, if possible! Here at InsideTracker, we get it. What you eat, how much you exercise, which supplements you take, and the daily life choices you make, can improve or worsen your health and performance. While it’s great to know that you can make simple changes to optimize your health and performance, the array of choices can be ...

Cortisol: How the Stress Hormone Affects You

Cortisol, also known as the stress hormone, is a steroid hormone (specifically, a glucocorticoid) produced by the adrenal glands. It is responsible for responding to both physical and emotional stress, and plays a key role in a number of essential physiological functions.

Fuel Your Performance With Food

  From the recent events of the Biogenesis case to this summer’s IAAF World Championship in Athletics where nearly a dozen athletes were missing due to doping violations, it’s clear the drug problem in sports is still far from being fixed.  Sunday’s night game against the Yankees here in Boston featured another symbol of the problem, when countless Red Sox fans booed Alex Rodriguez’s home run off of Ryan Dempster. 
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