There are many supposed quick-fixes when it comes to losing weight. From gastric band surgery to intermittent fasting or strict diet schemes, everyone seems to have a different secret that will help you shift the pounds.
But one woman has just confirmed what most of us always suspected: to lose weight, simply exercise more and eat better and less. 
No one said it was easy, but it should be that simple.
25-year-old Amber Barham, a teacher from Florida, was told by her doctor that she should have a gastric bypass after her weight crept up to 275 lbs (19.6 stone).
But mother-of-one Barham decided to ignore the medical guidance and was determined to lose weight on her own.
Simply through overhauling her diet and exercising, Barham lost 100lbs in 18 months.
From the age of 23, Barham had been on blood pressure medication, and when her doctor suggested she have the drastic surgery, it was the …