Why does it happen and who gets it?
Erections are resultant of a combined function of your brain, nerves, hormones, and blood circulation- when you get excited sexually blood flows across the spongy tissues of the penis thereby enlarging it and making it hard.
However, sexual stimulation, fantasizing sex or physically touching the genitals are not the sole reason behind having erections. It can also occur during sleep or any time of the day. Sex- experts believe that random erections signify healthy blood circulation and a properly functioning system.
Random erections are more common in teenagers and it happens because fluctuations in testosterone levels in the body at this phase of growth. As you grow up, those uncertain erections will disappear on their own.
Written by: healthplus24.com team
Date last updated: September 09, 2014