Sentences with phrase «caffeine doses between»

Not exact matches

have shown caffeine to increase the metabolic rate between 3 - 11 %, with larger doses (within reason) having a more pronounced effect.

Generally, a dose between 250 - 500 mg (check caffeine amounts here) could produce some of the above mild to moderate symptoms, especially in those with no tolerance of high caffeine sensitivity.

Symptoms usually peak between 20 - 51 hours after the last caffeine dose, last from 2 - 9 days and may include [16,25,51,132]:

Association between coffee or caffeine consumption and fecundity and fertility: a systematic review and dose - response meta - analysis.

This conclusion is based on prospective cohort studies showing a dose - dependent positive association between caffeine intakes during pregnancy and the risk of adverse birth weight - related outcomes (i.e. foetal growth retardation, small for gestational age) 26.

One paper reported weak positive associations between maternal caffeine consumption and spina bifida (neural tube defects), but without a dose - effect relationship and with a negative association for tea.

An inverse dose - response relationship was observed between caffeine consumption and depression risk in our multivariate model (P for trend =.02, Figure).

We observed an inverse dose - response relationship between caffeine or caffeinated coffee consumption and depression risk, but we were unable to address the effects of very high consumption because only 0.52 % of our participants drank 6 or more cups per day of caffeinated coffee.