Just about everyone who works out is familiar with high intensity interval training.
There are as many variations of it as there are exercise gurus. First you calculate your maximum heart rate. I use the Tanaka formula, 208 – (0.7 x age). Then you work out near the maximum for half a minute, relax half a minute, then repeat that cycle for a total of four or five times. Supposed to be good for us.
So what should we think about this recent disclosure? Vigorous Exercise Tied to Macular Degeneration in Men.
Dang. It's as if Mother Nature says, "Exercise hard and live long." Then Father Time comes along and says, "I'm gonna get you one way or another."
Well maybe. My Optometrist says macular degeneration is more likely to occur in those who over do it -- think marathons -- rather than 30 minute work-outs.
Check back in about 20 years.
1:45 PM 1/17/2018