Answer: true :)
explanation: it's true because energy drinks are known to cause seizures, diabetes, cardiac abnormalities, or mood and behavioral disorders. so it wouldn't be wrong that they also cause obesity and sleep problems due to the astronomical amount of sugar manufacturers add.
Don't really worry about pushing too hard, it's even ok if you were to break a rib or two. it's better to push too hard than not hard enough
<span>Edward Jenner discovered a vaccination against [smallpox] by infecting a boy with [cowpox]. He noticed that milkmaids who got cowpox never got smallpox and developed his theory from there. He is the father of the study of immunity and immunisation.</span>