There are a number of risk factors for depression including genetics, conflict, life events, death or loss, and other psychological problems. However, studies have added low testosterone as a major risk factor for depression, particularly in men. In fact, several studies have revealed that low testosterone is a common cause of depression in persons who do not respond to traditional medications. A robust amount of testosterone in the body promotes good mood, confidence, and a strong libido in a man.
Entry into neural tissues in general is mediated by the secondary creatine transporter (CrT-2) known as SLC6A10, which is the same transporter that is active in a male’s testicles. CrT-2 belongs to the family of SLC6 transporters that act to move solutes across the membrane by coupling transport with sodium and chloride. Genetic deletions in the 16p11.2 region, which encodes both SLC6A8 and SLC6A10 can result in severe mental retardation in humans and is one of the causes of “Creatine Deficiency Syndrome.” Creatine Deficiency Syndrome is not only caused by lack creatine transporter expression, however, as creatine synthesis is also critical for neural function.. Retardation caused by defective creatine synthesis can be reversed with creatine supplementation and dietary changes.
In vitro, creatine (0.125mM or higher) can reduce excitotoxicity from glutamate, which is thought to be secondary to preserving intracellular creatine phosphate levels. Glutamate-induced excitotoxicity is caused by excessive intracellular calcium levels resulting from ATP depletion. Since high levels of calcium inside the cell are toxic, ATP preserves membrane integrity, in part by promoting calcium homeostasis. When ATP is depleted, the sodium-potassium ATPase pump (Na+,K+-ATPase) stops working, leading to sodium accumulation in the cell. This reduces the activity of the sodium-calcium exchange pump, which, alongside a lack of ATP, reduces calcium efflux through the Na+,K+-ATPase. Thus, ATP depletion leads to intracellular calcium overload, loss of membrane potential, and excitotoxic cell death. Therefore, by helping preserve ATP levels, creatine is protective against excitotoxicity. This protective effect was noted after either creatine preloading or addition up to 2 hours after excitotoxicity. Protection from glutamate-induced toxicity also extends to glial cells and is additive with COX2 inhibition.
Drink plenty of water throughout the day, especially in the hours leading up to your workout. This can help you feel full and reduce hunger pangs. During training, drink about 8 ounces every 15-20 minutes, more when it's hot and humid. The reason is simple: Your performance quickly begins to suffer when the body is dehydrated just 1%-2%. And if you wait till you feel thirsty, you've waited too long. A flavorful, low-calorie sports drink is a great way to hydrate. Try drinking fluids stored at cooler temperatures; studies show that people consume more when the liquid is colder.
Creatine has been shown to influence androgen levels. Three weeks of creatine supplementation has been shown to increase dihydrotestosterone (DHT) levels, as well as the DHT:testosterone ratio with no effects on testosterone levels. In contrast, creatine supplementation has been shown to increase testosterone levels when taken alongside a 10-week resistance training program. A study in male amateur swimmers also noted that a creatine loading phase (20g daily for six days) was able to increase testosterone levels by around 15% relative to baseline.
The process of phagocytosis (a macrophage consuming a pathogen) in macrophages appears to be associated with an acute reduction in creatine phosphate stores (45%) and an increase in creatine kinase activity, although prolonged stimulation is met with an increase in creatine phosphate (20%). The creatine kinase activity does not appear to be altered based on creatine availability, but since ATP seems to be preserved in these instances, the increase in phosphocreatine may be explained by an overall creatine pool paralleling that found in medium.
There is a genetic condition known as gyrate atrophy of the choroid and retina, which is associated with a high level of Ornithine in the blood and a relative decrease in Arginine, which causes a relative creatine deficiency due to L-arginine being required to make creatine and because high ornithine can suppress creatine synthesis (AGAT) in the glial cells of the retina. This condition can be attenuated by either reducting ornithine in the diet or by supplementing creatine, which is, in this instance, therapeutic.
Whether you love or hate ‘em, squats are one of the best butt exercises for strengthening your backside. Experts say that if you want to run faster, jump higher and lift heavier, squatting low is the way to go. They might look easy, but prepare to work when you add a barbell, slam ball or heel raise to the mix. These squat variations not only add some power to your jumps and kicks, but they also help improve your knee stability and range of motion. So how low can you go? Try these exercises to find out.
In addition to the HIIT sessions, it’s always a good idea to go for a 30–60-minute walk as many days per week as you can. I recommend getting a minimum of 10,000 steps every day. Use a phone app to track them. If you’re into jogging, swimming, hiking, or some other form of long-duration, fairly low-intensity cardio, that is fine to do as well, and as often as you like.
Unfortunately, many people haven't gotten the message that strong is in. Indeed, statistics on strength training are grim: According to the Centers for Disease Control and Prevention (CDC), less than 30 percent of American adults engage in muscle-strengthening activities like lifting weights or doing push-ups at least twice a week—the recommendations set out by the government.
Testosterone belongs to a class of male hormones called androgens, which are sometimes called steroids or anabolic steroids. In men, testosterone is produced mainly in the testes, with a small amount made in the adrenal glands. The brain's hypothalamus and pituitary gland control testosterone production. The hypothalamus instructs the pituitary gland on how much testosterone to produce, and the pituitary gland passes the message on to the testes. These communications happen through chemicals and hormones in the bloodstream.
One study lasting 16 months using 10g creatine daily alongside the pharmaceutical riluzole noted that, after 34 of the patients died from ALS, creatine failed to exert protective effects against ALS-related mortality (adjusted hazard ratio of 0.78 with a 95% CI of 0.47–1.48). A smaller study measuring only eight deaths noted that the six in placebo (relative to two in creatine) was too small of a sample size to detect a statistically significant difference. A nonsignificant trend to increase survival has been noted elsewhere with 5g of creatine daily with a similar ratio: 3 deaths in placebo to 1 death in creatine.
Jason Ferruggia is a highly sought after, world renowned strength & conditioning specialist and muscle building expert. Over the last 17 years he has personally trained more than 700 athletes from over 90 different NCAA, NFL, NHL and MLB organizations. He has also worked extensively with firefighters, police officers, military personnel, Hollywood stars and entertainers. Most importantly, Jason has helped over 53,000 skinny guys and hard gainers in 126 different countries build muscle and gain weight faster than they every thought possible.
This basic form of creatine comes in two forms, one of which involves the removal of the monohydrate (which results in creatine anhydrous) that converts to creatine monohydrate in an aqueous environment, but due to the exclusion of the monohydrate it is 100% creatine by weight despite creatine monohydrate being 88% creatine by weight, as the monohydrate is 12%. This allows more creatine to be present in a concentrated formula, like capsules.
During the second trimester, androgen level is associated with sex formation. This period affects the femininization or masculinization of the fetus and can be a better predictor of feminine or masculine behaviours such as sex typed behaviour than an adult's own levels. A mother's testosterone level during pregnancy is correlated with her daughter's sex-typical behavior as an adult, and the correlation is even stronger than with the daughter's own adult testosterone level.
The structure of cyclocreatine is fairly flat (planar), which aids in passive diffusion across membranes. It has been used with success in an animal study, where mice suffered from a SLC6A8 (creatine transporter at the blood brain barrier) deficiency, which is not responsive to standard creatine supplementation. This study failed to report increases in creatine stores in the brain, but noted a reduction of mental retardation associated with increased cyclocreatine and phosphorylated cyclocreatine storages. As demonstrated by this animal study and previous ones, cyclocreatine is bioactive after oral ingestion and may merely be a creatine mimetic, able to phosphorylate ADP via the creatine kinase system.
Start with hand weights in your hands just outside your thighs, or a barbell on the ground. Keep your feet hip distance apart and your tailbone/hips slightly tucked. Lower the upper body while keeping the chest upright and butt sticking back. Keep your back flat (try not to hunch or round). Drive your back upright and your hips forward so you end up standing up straight, drawing the weights in your hands until they are about the height of your mid-shin or just below the knees. Lower back down as you started and repeat.
Perhaps the clearest of all the benefits of creatine supplementation is improved performance during strength and power exercises requiring repeated efforts. (Think multiple sets of heavy squats or repeated 30-second cycling sprints.) The magnitude of these improvements can be as large as 10 to 20% and generally tracks changes in intramuscular creatine stores after supplementation – greater increases in muscle creatine associate with larger performance gains.
CONDITIONS OF USE AND IMPORTANT INFORMATION: This information is meant to supplement, not replace advice from your doctor or healthcare provider and is not meant to cover all possible uses, precautions, interactions or adverse effects. This information may not fit your specific health circumstances. Never delay or disregard seeking professional medical advice from your doctor or other qualified health care provider because of something you have read on WebMD. You should always speak with your doctor or health care professional before you start, stop, or change any prescribed part of your health care plan or treatment and to determine what course of therapy is right for you.
These supplements can vary considerably from product to product in ingredients, serving sizes, and more. But the goal of each of them is generally quite similar. Most bodybuilding supplements are designed to help stimulate new muscle growth, cut away excess fat, and improve the recovery process so that you can get the most out of each trip to the gym.
Many people eat two or three meals a day and the occasional protein shake (when they remember), and then wonder why they're not putting on weight. To increase muscle mass, you have to have excess energy (calories and protein) in your system - supplied by regular small meals throughout the day. Most people have no idea how many calories they need. Do you? You may find that eating until you're full is not enough, especially if you're eating the wrong sort of calories (i.e. all carbs and no protein!). Protein is the priority followed by carbs then fat, but all are important and play a part in building mass and size.
Trouble walking, running or doing other activities — Any physical movement that involves stability, flexibility and strength in the legs and hips can be compromised. For example, yoga, dancing, horseback riding, cycling, hiking, burst training, sprinting, plyometrics or tabata workouts, and other activities will be more difficult with underdeveloped glutes.