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Cracking knuckles cause arthritis. MYTH – Cracking your knuckles does not cause arthritis. Your joints contain a lubricating liquid, known as the synovial fluid. This liquid helps to reduce friction when you move your joints.

Most people do not need supplements to stay healthy. You can get all the vitamins and minerals you need by eating a healthy, balanced diet.

Bleeding gums are normal. MYTH – Bleeding gums can be caused by brushing too hard or using a toothbrush that is not soft enough. This can be easily prevented by changing the way you brush or changing your toothbrush to one with softer bristles.

Apply sunblock at least half an hour before going outdoors and you should reapply sunblock every two hours, even for those with high SPF levels. Cosmetic products with built-in SPF may not provide sufficient sun protection, unless used in large amount. Thus, they should not be used alone and should be used together with a sunblock. Up to 80% of the sun’s ultraviolet (UV) rays pass through clouds. UVA rays are able to pass through clouds or window glass to reach your skin. Hence, it is important to apply sunblock regardless of the weather. SPF is a measure of how well a sunblock will protect the skin from ultraviolet B (UVB) rays, the type of radiation that causes sunburn and can contribute to the risk for skin cancer. Although higher SPF values do offer better protection against UVB, UVB protection alone is insufficient.

What is Glycemic index (GI)? GI is a value assigned to carbohydrate-containing foods based on how quickly they are digested and increase your blood sugar levels. Lower GI food (e.g. oatmeal, most fruits, corn) are digested and the sugars are absorbed slower, allowing a lower and slower increase in blood sugar.