It is hypothesized in some studies that caffeine can be used to increase fat metabolism. There is also some evidence that caffeine can have a neural influence improving performance.
This week’s question considers the healthy non athlete adult (ie- no cardiovascular problems, not pregnant, etc) who is physically active for health and wellness reasons. It is divided into two parts:
QUESTIONS: Please note the specific info on dosages. This means info on caffeine intake that is >300mg/day is interesting, but not pertinent to what the questions ask.
PART 1: is there any neural benefit (improved alertness, improved neuromuscular recruitment, etc) for a non athlete to ingest moderate amounts of caffeine prior to and/or during their activities? (consider moderate to be 300 mg or less). Notice specifically the limitations a) neural benefits and b) 300 mg/day or less. Keep in mind that some research reports caffeine intake in relative terms (mg/kg), so you will need to convert this to absolute terms. For example a 6 mg/kg relative dose in a 60 kg subject would be an absolute dose of 360 mg.
PART 2: for the healthy non athlete are there any risk factors for consuming moderate levels of caffeine daily (moderate = 300 mg per day or less).
Key points to remember:
– Part 1 asks about neural benefits
– Both parts asks about non athletes
– Both parts ask about the effects of doses less than 300 mg/day. This means using research that examining the effects of intakes greater than 300 mg/day is not a pertinent for what the questions ask.
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