20 minutes of exercise a day benefits

https://www.20minutestofitness.com/about/results/

https://www.genesisfitness.com.au/blog/9-benefits-30-mins-exercise-day

https://www.quora.com/What-are-the-benefits-of-doing-20-mins-of-cardio-a-day
https://www.quora.com/Can-you-get-in-shape-with-20-minutes-per-day
https://www.mayoclinic.org/healthy-lifestyle/fitness/expert-answers/exercise/faq-20057916

https://mypowerlife.com/mini-workouts-day-effective/