Grumpy Old Geeks Topics Apple health studies Topic Apple health studies 3 mentions in 1 episode The three studies discussed cover women’s health, heart and movement, and hearing. Mentions 393: Peeping Tithingman Nov 16, 2019 47:19 users in the United States can sign up to be part of these following health studies 47:36 Women's health. Heart and movement and the hearing study. 48:38 The hearing study is five years long.