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Health topics
… The heart is powered by an electrical system that puts out pulses in a regular rhythm. These pulses keep the heart pumping and keep blood flowing to the … heartbeat than is normal for you. This would include a pulse rate of more than 120 beats per minute (when you are …
Health topics
… who are infected with HIV. The CD4+ count is an important measurement of how HIV is affecting your immune system and … who are infected with HIV. The CD4+ count is an important measurement of how HIV is affecting your immune system and …