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Thank you for visiting nature. You are using a browser version with limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser or turn off compatibility mode in Internet Explorer. In the meantime, to ensure continued support, we are displaying the site without styles and JavaScript. Early exposure to parental features shapes later sexual preferences in fish, birds, and mammals. Female faces with light blue or green eyes were liked better by men whose mother had light eyes; the effect broke down in those who had felt rejected by her as children.
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Ever Wonder If You’re Sexually ‘Normal?’

Having heart disease—or a past heart attack—can disrupt your life in so many ways. For one thing, it can make you pause before doing activities you didn't think twice about in the past—including having sex. Although the study didn't get into the reasons why women stop having sex, it suggested that one cause for this abstinence is the fear that sex will trigger a repeat heart attack. Yet it is still possible to have a healthy, active sex life with heart disease. Making love is like any other form of aerobic exercise. It elevates your heart rate and blood pressure and increases your heart's demand for oxygen—especially in the 10 to 15 seconds when you reach orgasm. Studies in men have compared the cardiac exertion of having sex to that of climbing two flights of stairs.
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The total age range is shown in eFigure 1 in the Supplement. Definitions and Categorization of Sociodemographic Variables. Conflicts of interest comprise financial interests, activities, and relationships within the past 3 years including but not limited to employment, affiliation, grants or funding, consultancies, honoraria or payment, speaker's bureaus, stock ownership or options, expert testimony, royalties, donation of medical equipment, or patents planned, pending, or issued.
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Learn about our expanded patient care options and visitor guidelines. Michael Joseph Blaha, M. You may be concerned about the state of your cardiovascular system and how much exertion your heart can handle.
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