According to Dr Kremer the research is not conclusive, but some experts believe that ‘back-and-forth repetitive motions that happen when you run or do a similar workout can lead to a breakdown of breast collagen.’
If you want to be on the safe side, alternate between sports such as running and lower impact exercise like swimming and yoga.
DON’T: Wear a bra all the time
A study by French researchers found that constant support can weaken chest muscles and make the breasts sag.
However, going braless all the time is likely to have the exact same effect.
The best approach is to give your breasts a break now and again and ditch your bra.
DON’T: Skip sunscreen
UV rays will stretch out collagen and damage the skin, leading to the dreaded sag.
DON’T: Crash diet
Every time you gain and lose weight, the breast tissue will become more slack.
DON’T: Smoke
Even if it’s just a few cigarettes, any smoking decreases blood supply to the surface of the skin, which will weaken and age it.
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