Now the diet trend on everyone's lips is Alternate Day fasting (ADF), that not only helps weight loss but improves generl health and well-being. We can't help but wonder how it will measure up.
Don't fret it's not about completely starving yourself, but to cut down calorie intake to about 5-600 one day and eat whatever you want to following day. Then back to fasting for a day, and then to eating whatever you want. And so on and so forth.
An eight-week study on two groups of overweight patients following was carried out by Dr Krista Varady from the University of Illinois at Chicago. Perhaps surprisingly, she discovered that on the non-fasting days dieters could eat whatever they wanted and still reap rewards.
"If you were sticking to your fast days, then in terms of cardiovascular disease risk, it didn't seem to matter if you were eating a high-fat or low-fat diet on your feed (non-fast) days," she said.
Michael Moseley attempted the ADF diet on BBC's Horizon: Eat, Fast and Live Longer, but found the standard ADF diet too difficult to live by. He opted for an alternative version known as 5:2 - involving two days of fasting per week and five days of eating normally.
"I found that I could get through my fast days best if I had a light breakfast (scrambled eggs, thin slice of ham, lots of black tea, adding up to about 300 calories), lots of water and herbal tea during the day, then a light dinner (grilled fish with lots of vegetables) at night," he said. "On my feed days I ate what I normally do and felt no need to gorge.
"I stuck to this diet for 5 weeks, during which time I lost nearly a stone and my blood markers, like IGF-1, glucose and cholesterol, improved. If I can sustain that, it will greatly reduce my risk of contracting age-related diseases like cancer and diabetes."
There is no concrete evidence that the ADF diet works, research is still being carried out.
It sounds too good to be true, but a group of scientists reckon they've figured out how to prevent weight-gain and food cravings - and it involves adding a cookie or a slice of cake to your breakfast. Researchers from Tel Aviv University's Wolfson Medical Center in Israel believe that dieters would have less trouble fighting off pesky hunger pangs throughout the day if they ate a carbohydrate-rich, protein-packed breakfast - with a helping of dessert. Read more here.
Weight may depend as much on when you eat as what, research suggests. The body clock's effect on metabolism could be an overlooked factor driving obesity, say scientists. New evidence from studies of mice suggests that 24-hour snacking, especially at night, can pile on the pounds. Restricting eating to sensible meal times, on the other hand, may help fight the flab - even with big helpings. Read more here.
Japanese inventors have designed a hi-tech (and slightly bonkers) device that claims to help people lose weight - and it involves a pair of 'slimming spectacles' that trick the brain into thinking that food is 50% bigger than it really is. The 'Meta Cookie+' gadget has been developed by a team of researchers from Tokyo University, Japan and was showcased at Tokyo's Digital Content Expo. Read more here.
An American doctor has sparked a potentially dangerous diet trend by creating a drastic, quick fix weight-loss programme that involves the dieter feeding through a nose drip. The 'K-E Diet' (or the Ketogenic Enteral Nutrition diet), created by Florida-based Dr Oliver Di Pietro, promises to shed 20lbs in just 10 days and has so far proved popular with brides-to-be wanting to shift weight leading up to their wedding. Read more here.
According to the author of Six Weeks To OMG: Get Skinnier Than All Your Friends skipping breakfast, drinking coffee and taking cold baths - really help you get thin. Venice A Fulton is well prepared to challenge his critics and says that many health professionals are already on his side. "I've already had doctors say they find it refreshing and useful for them," Fulton told Huffpost Lifestyle. Read more here.