People with even a passing interest in exercise have heard by now of high-intensity interval training. (Photo credit: PTI)
- The study shows that four-second interval workouts affect metabolism and muscles in adults of various ages.
- Athletes interval trained to amp their speed and performance.
- However, the ideal length of the individual intervals remains uncertain.
.Seoul, South Korea
Son Ye-jin follows a minimalist skincare to maintain her oily skin. (Instagram/@yejinhand)
- Korean celebrities take care of their skin religiously
- There is no cheat day when it comes to skincare routine
- Song Ji-hyo and Son Ye-jin prefer a very minimalist skincare routine
John McEnroe is a former tennis player. (Photo Credits: Instagram/mtany)