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Minum Kopi Bagus untuk Pencinta Olahraga Selama ini banyak yang masih mempertanyakan apakah minum kopi berdampak baik atau buruk bagi kesehatan. Namun sebuah studi terbaru menunjukkan jika mengonsumsi kopi mampu meningkatkan performa dalam berolahraga. Bruno Gualano, seorang profesor fisiologi di University of Sao Paulo mencoba mempraktikkan percobaan yang melibatan 40 responden. Empat puluh responden itu dibagi dalam tiga grup yang masing-masing berlatih sepeda statis. Kelompok pertama adalah responden yang minum kurang dari secangkir kopi dalam sehari. Kelompok kedua adalah mereka yang minum dua cangkir kopi sehari. Sedangkan kelompok terakhir minum kopi sebanyak tiga cangkir atau lebih dalam sehari. Responden kemudian diberikan pil mengandung kafein yang setara empat cangkir kopi, pil placebo, dan sama sekali tak diberi pil apapun. Setiap responden diminta bersepeda semampunya sampai bisa membakar 450 kalori. Masing-masing menjalani percobaan tiga kali sehingga tiga opsi pil dapat diujicobakan. Gualano mendapati bahwa hampir setiap pesepeda mengayuh lebih cepat apabila mereka mengonsumsi pil kafein. Mereka mengayuh 3,3 persen lebih cepat daripada tidak mengonsumsi pil apapun dan 2,2 persen lebih cepat dibandingkan saat minum pil placebo. Percobaan ini dilakukan dengan mengabaikan kebiasaan minum kopi mereka di luar masa penelitian. Jadi, apakah ini artinya kita perlu minum segelas espresso sebelum berolahraga di pusat kebugaran?