Past Insider on Instagram: "The 1940s were an era of unique inventions for early childhood development, most notably the "Baby Exerciser" (often called a "treadmill for babies"). These contraptions were designed to help infants strengthen their leg muscles to become "potential soccer stars," as one vintage newsreel put it. One popular version featured a cradle under a set of bars that allowed babies to kick their way in circles, supposedly preparing them for walking and crawling. Follow @PastIns

Chandni Fitness Coach on Instagram: "Comparing our eating habits to our ancestors is the most stupid thing I have seen in the comment section. People claiming in the comments that our ancestors commonly lived to 100 years, despite India’s historically low life expectancy of roughly 40–45 years and its rise to about 71 years only in recent times, reveals the lack of statistical and historical literacy. The times have changed, from widespread disease, poor sanitation, high infant mortality, and la