Heartrate Increase
I've been dieting for about 3 weeks and riding a bike for exercise. Before the diet, I was still riding the bike about 400 miles a month, so I did not just start 20 days ago. I have a record of my rides and in the last 3 days, my average HR has gone up about 10 or 12% with no increase in speed. What's causing this? And I…
