Dr. Aseem Malhotra, MD, explains which lifestyle factors can impair immunity and which are protective against respiratory illness. As more data on the coronavirus becomes available, it is becoming clearer which groups are at greater risk of developing severe complications. Obesity, Type 2 diabetes, high blood pressure, and smoking appear to put people at greater risk, while exercise and good nutrition improve the body’s defenses.

CrossFit’s online courses are open to all individuals and trainers at any stage of development. The online courses provide flexible avenues for trainer development and exploring specific topics in more detail. New and updated offerings include the Programming, Dumbbells, Spot the Flaw, and Scaling Courses.