And even if you can't, every pushup you can do over a certain number can reduce your risk.
If You Can Do This Many Pushups in a Row, Harvard Scientists Say Your Risk of Heart Attack Is Over 30 Times Less
Harvard Study Of 1000 Men Identified One Exercise That Predicts 96% Lower Cardiovascular Risk
Steve M. on LinkedIn: If You Can Do This Many Pushups in a Row
Fitness: Pushups could be a good indicator of heart health
How Many Months Does It Take To Transform Your Body: The Naked Truth - BetterMe
Is it okay to hold my breath while doing push-ups? - Quora
Tonya Mills on LinkedIn: If You Can Do This Many Pushups in a Row
Steve M. on LinkedIn: If You Can Do This Many Pushups in a Row
Can doing push-ups in your 40s lower your risk of heart disease?
Simon G. on LinkedIn: If You Can Do This Many Pushups in a Row
Here Is What Happened When I Did 100,000 Pushups and 50,000 Sit-Ups
Why the 8-Hour Workday Doesn't Work for You (and What to Do Instead)
Harvard: Men who can do 40 pushups have a 'significantly' lower risk of heart disease - Big Think
3 Ways to Do 1000 Push Ups - wikiHow