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Role of Genetics and Heredity Obesity


I have some friends who tell me that their obesity is simply due to their genetics. Is this true?

Because each person is born with a unique genetic composition, losing bodyfat and keeping it off can be more challenging for some people than others.

Your genes can influence how quickly you feel full when eating, how physically active you are prone to be, and your metabolic rate, for example. As a result, some people may be genetically more vulnerable to gaining weight and certain environmental triggers can make these people more susceptible to becoming obese.

So what percentage of the population is obese because of genetics? Some scientists claim that most obesity cases are influenced by genetics, some claim that the influence is negligible, and many believe that the right explanation rests between the two views.

Some scientists believe that certain inherited genes don’t necessarily make individuals obese, they merely give them a predisposition for becoming obese, but it is the learned or acquired behaviours of overeating and inactivity that cause the weight gain.

While science shows that heredity is linked to obesity, it is impossible to pinpoint the degree of correlation. There is little debate, however, over the genetic determination of body shape. Some people are more likely to put weight on their hips and thighs, and this is harder to lose than belly fat.

‘Obesity runs in my family, and it is impossible for me to lose weight’ is a classic excuse for not trying to lose weight, and it can be a convenient way of blaming others for an individual’s state.

Obesity tends to run in some families, suggesting a genetic link. But families also share diet and lifestyle habits that contribute to obesity. There seems to be a greater chance that people are heavy because of conditioned behaviours they learned from their family, than because of genetics.

People can still succeed with fat loss despite a genetic predisposition to gain weight, although it may take more work and patience, and perhaps medical intervention.

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Thyroid Juice Remedy


Your thyroid is a set of multiple glands that work to keep your body running smoothly. They deliver messages (hormones) between themselves and other body parts so that all of those tiny cells are regulated and functioning at the proper levels. The hormones produced by the thyroid (T3 and T4) are essential for life and have many effects on metabolism, growth and development.

Thyroid health is important, because if your thyroid isn’t functioning properly it can lead to developmental defects or weight gain. Food is our medicine, so consuming the proper foods will help support your thyroid to ensure it remains in tip top shape. Carrots contain ample amounts of beta-carotene which is the precursor for vitamin A in the body. If you are low on vitamin A, your ability to produce thyroid stimulating hormone (TSH) is limited. This vitamin is required by the body to convert T4 to T3.

B-complex vitamins are required for good thyroid function. Cucumbers contain B vitamins, so they are a good choice when trying to nourish the thyroid glands. Without B vitamins the thyroid and adrenal glands fail to secrete their hormones, and won’t be able to utilize its iodine raw material efficiently to make hormones. B vitamins are especially useful in individuals with an overactive thyroid.

Ingredients:
– 1 cucumber
– 5 stalks celery
– 5 carrots
– 1 cup young thai coconut water
– 1 lemon

Juice the above ingredients, and add coconut water last.

Drink once every day.


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Diet Destroyers


Sports and energy drinks have become very popular among many sports athletes and gym-goers, but if you don’t limit consumption of these drinks you will pack on extra calories your body doesn’t need, especially on your midsection. Research suggests that your body requires only water during moderate exercise less than 60 minutes. Recommendations from the National Athletic Trainers’ Association include drinking 7-10 ounces of water during exercise, or sipping on a sports drink every 10-20 minutes during, long intense training sessions. Otherwise you should consider staying away from high-calorie energy drinks altogether. To burn off one 200 calorie Monster Energy drink, a 185 pound man would have to vigorously train with weights for 25 minutes. If you are attempting to get lean or ripped, stick with water.


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Muscles and Alcohol Don’t Mix


Still haven’t adopted the totally clean-eating lifestyle and enjoy going out to the bar for a few drinks? You might want to think twice if you aim to keep all that muscle mass you have worked so hard for in the gym. Consuming large quantities of alcohol directly affects your metabolism by causing dietary fat to be stored instead of being used as an energy source. Among the effects of heavy alcohol consumption on your body, blood flow is reduced to the muscles, causing deterioration and weakness. Alcohol decreases testosterone in your blood and raises conversion of testosterone to estrogen, leading to increase fluid retention and fat depositing. It creates imbalances in your liver that can cause hypoglycaemia, hyperlipidemia and fatty liver. A night out of drinking can stop any progress you want to make in the gym the next day because of dehydration that decreases physical performance. The disturbance of sleep caused by alcohol can leave you fatigued and your training session severely lacking in intensity. Alcohol consumption can also interfere with nutrient breakdown and absorption, lessening the body’s ability to build and maintain muscle. Keep alcohol drinks to a minimum and plan them for evenings when the next day is a break from the gym.


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Recovery Returns


Improve recovery and increase muscle growth with these 7 post-workout supplements.

1) Whey Protein
A high-quality milk protein that contains all the amino acids the body requires for muscle protein synthesis.

Whey protein breaks down fast upon ingestion, shuttling its amino acids into the bloodstream to hit your muscles quickly. Research has shown that consuming whey protein after training promotes muscle protein synthesis and reduces protein degradation (breakdown), thus stimulating muscle tissue repair and growth.

Take 20-30 grams immediately after training. Choose a whey powder that contains whey protein hydrolysates (whey protein broken down into smaller fragments for even faster digestion) or whey protein isolate.

2) Casein Protein
Although it is not a fast-digesting protein, this other milk protein is a perfect complement to help boost recovery following your workouts.

Casein protein is a slow digesting because it forms a gel in the gut, which results in the amino acids being released slowly into the bloodstream. Since it enters the bloodstream slowly, it was originally believed to have very little immediate impact on protein synthesis. However, newer research shows that after workouts, casein does, in fact, boost protein synthesis and also has a powerful effect in suppressing protein breakdown, both key elements in muscle growth. Research suggests that to tip the balance in your favour, supplement with both whey and casein proteins after training.

Choose a casein protein that contains micellar casein (the slowest-digesting casein) and add 20-30 grams casein top your post-wrokout whey protein shake.

3) Branched-Chain Amino Acids
The term branched-chain amino acids refer to leucine, isoleucine and valine, the most important aminos for repairing and building muscle tissue. BCAAs make up approximately one-third of muscle protein.

BCCAs offer a multitude of benefits, including growing muscle, reducing delayed-onset muscle soreness (DOMS) increasing energy and blunting cortisol (a catabolic hormone). Intense exercise causes a rise in cortisol, which can inhibit testosterone and lead to muscle protein breakdown. Research shows that supplementing with BCAAs, particularly at the time of muscle breakdown (such as during and after workouts), is the best insurance against catabolism.

Results from one study showed that subjects who supplemented with amino acids did not experience losses in muscle strength following a period of high-volume resistance training. The results were attributed to the anticatabolic effects that BCAAs promote in the body.

Because leucine is the key amino acid for turning on protein synthesis in muscle cells, look for BCAA products that provide leucine at a ratio of 2:1 per dose of isoleucine and valine. Take 5-10 grams of BCAA immediately after training with your post-work out shake.

4) Creatine
Creatine is made up of three amino acids, arginine, glycine and methionine. The kidneys and pancreas produce them naturally, and the liver combines them to make creatine. However, the body only produces about 1-1.5 grams, not nearly enough to support the muscle-building efforts of a hard trainer.

Creatine has been the subject of hundreds of research studies, primarily because of its direct impact on increasing muscle mass, strength and power. It has been shown to trigger protein synthesis and minimise protein breakdown, because it creates an osmotic gradient whereby water is pulled into muscle cells (which is a signal for anabolism). Some evidence also suggests creatine may act as a lactic acid buffer, which can improve recovery time. Creatine has also been found to increase levels of insulinlike growth factor-1 in muscles, which is critical for stimulating growth.

Take 2-3 grams in the form of creatine monohydrate, creatine malate, creatine hydrochloride ore creatine alpha-ketoglutarate with your protein shake immediately after training, a time when creatine will rapidly be taken up by muscle cells and the boost in IGF-1 will promote further growth.

5) Carb Powder
Choosing a carb powder used to be easy, you simply bought one brand or another of glucose. However, ongoing research has given light to a range of new products.
– Dextrose
Dextrose is a glucose, the simplest carb. It is in the exact form your body needs, your body doesn’t have to break it down to use it. It is a monosaccharide, which is about 70-80% as sweet as table sugar. It has a glycaemic index rating of 100 and is used for energy or refuelling after a workout. It is highly soluble in water and mixes easily.

– Maltodextin
Maltodextin is polysaccharide (a complex carbohydrate) usually produced form corn or potato starch. Although its a “complex” carb, the chemical structure is such that it can break down rapidly, thus digesting and absorbing very quickly to help you re-fuel post workout. In fact, its digested faster than regular table sugar, and has a GI rating of 105.

– Vitargo
Vitargo is a patented complex carb formula typically made form barley. Although the molecules that make up vitargo are a lot heavier and larger than those in other carbs, it has very low osmolality, which effectively means it can pass through the stomach faster, about 80% faster than dextrose. Vitargo is absorbed and assimilated faster after workouts, which minimises the risk of stomach discomfort (eg. bloating).

The fast absorption of certain carb powders makes them an ideal post-workout carb source that can rapidly elevate insulin levels and replace glycogen in trained muscle. Since insulin is highly anabolic, carb powders can promote muscle gain and recovery without fat accumulation when taken immediately after training.

A good post-workout shake contains about a 1:2 ratio of protein to a high-glycaemic (fast-digesting) carbs. Add 40-100 grams of carb powder to your post-workout shake.

6) Glutamine
This amino acid is central to both immune system regulation and muscle function, and is one of the most plentiful aminos found in the body.

During intense training, muscle glutamine levels drop sharply. Supplementing with glutamine not only stimulates immune function, but research has shown it decreases inflammation and protects muscle cells from the damage caused by hard training. It also aids muscle growth by by increasing levels of leucine in muscle fibres, helping suppress the production and circulation of cortisol, and maintain cell volume and hydration. By pushing water into muscle cells, glutamine helps to speed up recovery and encourage anabolism. In addition, research has demonstrated the ability of glutamine to drastically increase growth hormone levels. One study showed a meaningful increase from supplementing with as little as 2 grams of glutamine.

Add 5-10 grams of glutamine to your post-workout shake.

7) Alpha-Lipoic Acid
This antioxidant is made by the body and found in every cell, where it helps turn glucose into energy,

ALA mimics the effects of insulin, bolstering the uptake of amino acids and creatine into muscle cells. One study showed that subjects who consumed ALA with creatine and a high-glycaemic carb had greater increases in muscle creatine levels than those who took just creatine and a high-glycaemic carb, or creatine alone.

Take 300-500 milligrams along with your protein, creatine and high-glycaemic carbs post-workout.