I’ve tried to give up sugar more times than I’d care to admit. I’m usually able to get through the first few sugar-free days no problem, but then the intense cravings kick in. And before I know it, I’m popping to the shops to get something that will satisfy my sweet tooth. But cravings are nothing compared to some of the side-effects of giving up added sugar I’ve heard about from friends and people online – everything from headaches and fatigue to anxiety.

Though little is still known about why we have this reaction to giving up sugar, it likely has to do with the same mechanisms in the brain that reward us for consuming it. On the bright side, these side-effects are largely temporary, so if you can push through the discomfort for a few days you can expect to see a range of benefits.

Since India’s catastrophic second wave of COVID-19 earlier this year, we’ve been watching the situation closely. But while the country is doing much to prepare for a further surge in cases, low vaccine coverage could mean a third wave is deadly.

And in case you were looking for a little something to brighten your day, read this piece on the mysterious seahorse — and nine fantastic things you probably didn’t know about it.

Heather Kroeker

Commissioning Editor, Health + Medicine

Sugar is added to many different foods. ilona.shorokhova/ Shutterstock

Sugar: here’s why some people experience negative side effects when they quit

James Brown, Aston University

The negative effects are likely caused by the same mechanisms behind why sugar makes us feel so good.

People stand in a queue to receive a COVID-19 vaccine in Bengaluru, India. Jagadeesh NV/EPA-EFE

India is preparing for another COVID surge but low vaccine coverage leaves it vulnerable

Ankur Mutreja, University of Cambridge; Vignesh Shetty, University of Cambridge

Lessons have been learned from the second wave, but vaccine supply and hesitancy are still big problems.

Many seahorses mate for life, and males are always pregnant. Steven L Gordon/Shutterstock

Nine things you don’t know about seahorses

Mark Tupper, University of Portsmouth

Fascinating facts about this unusual fish include that it doesn’t swim very well. A marine expert reveals why

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    Alex Ezeh, Drexel University; Michael Silverman, Western University; Saverio Stranges, Western University

    The emergence of variants of concern with increased potential for transmission and more severe disease in the younger population could make Africa more susceptible to a severe COVID-19 epidemic.

 

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