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Blood doping is a form of doping in which the number of red blood cells in the bloodstream is boosted in order to enhance athletic performance. Because such blood cells carry oxygen from the lungs to the muscles, a higher concentration in the blood can improve an athlete's aerobic capacity (VO 2 max) and endurance. [1]
Some chemotherapy drugs are used in diseases other than cancer, such as in autoimmune disorders, [166] and noncancerous plasma cell dyscrasia. In some cases they are often used at lower doses, which means that the side effects are minimized, [166] while in other cases doses similar to ones used to treat cancer are used.
Sensory side effects include paresthesias, dysesthesias, numbness, altered proprioception, and loss of dexterity in fingers and toes. Motor and autonomic symptoms are less frequent but possible. Symptoms may start days after the patient receives their first dose of chemotherapy, are dose dependent, and tend to improve after completion of treatment.
Lomustine also has other biologic effects including inhibition of DNA synthesis and some cell phase specificity. In general, nitrosureas lack cross-resistance with other alkylating agents. Since lomustine is a nitrosurea, it inhibits several processes such as carbomylation and the modification of cellular proteins. [ 18 ]
The systems of the body most affected by chemotherapy drugs include visual and semantic memory, attention and motor coordination and executive functioning. [9] [10] These effects can impair a chemotherapy patient's ability to understand and make decisions regarding treatment, perform in school or employment and can reduce quality of life. [10]
NCAA athletic directors say a proposed revenue sharing model could put non-revenue sports in peril. U.S. Olympics is bracing for the impact.
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There are many sport psychology interventions that may be helping maintain athletes' mental health and preventing any psychological disorder. Sport practitioners and researchers focus on mindfulness and resilience as two key factors that contribute to an athlete's well-being. Mindfulness has been shown to help with the general well-being of an ...