5 things men need for a 'normal erection' — and a 'common complaint' for those with ED

No need to be in your flop era.

Between 30 million and 50 million men in the US have erectile dysfunction (ED) — defined as difficulty getting and keeping an erection — including a staggering 70% of men over 70.

Two physicians explained to The Post what’s behind this common condition — and how to get your mojo back.

What causes erectile dysfunction?

Flaccidity is often caused by blood flow issues stemming from hardened arteries, high blood pressure, high cholesterol and smoking.

Nerve damage that disrupts signals from the brain or spinal cord to the muscles is also a major factor.

“A normal erection requires coordination between the brain, hormones, nerves, blood vessels and smooth muscle. Any disruption in that pathway can cause erectile dysfunction,” Dr. Justin Houman, of Tow