Dr Ross Walker explains the two main genetic causes of heart disease that make up 90% of cases.

Dr Ross Walker explains what makes sudden cardiac death in older people different.

Dr Ross Walker explains what sudden cardiac death is and what you should do if you think you could be at risk.

In this week's The Check Up, Dr Ross Walker explains why Vitamins may not be good for you.

Why do some studies show no benefit for taking vitamins? Dr Ross Walker explains.

Dr Ross Walker explains why he believes people should start taking vitamins from age 30.

Dr Ross Walker explains a surprising cardiovascular exercise for men and women.

Dr Ross Walker explains two more things you need to consider about erectile dysfunction.