गाहाइ बिजिरसंगिरि जेम्स टिम्मान्सा बुंदों दि 20 जौखोन्दोसो मानसिफोरा कसरत खालामनायनिफ्राय जेबो मुलामफा मोना ।
Main researcher James Timmons said that about 20 percent population does not get any benefit from exercise .