Fresh from controversially suggesting adding salt to tea, Michelle Francl says eating fruit can prolong caffeine rush from your cuppa
If you find yourself feeling the energising effect of your morning cuppa has worn off before the bus arrives, the scientist behind controversial advice to put salt in tea has some more palatable advice: try some grapefruit.
Michelle Francl, a professor of chemistry at Bryn Mawr College, caused an international storm in a teacup last month after suggesting a pinch of salt would create the perfect brew.
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