The study will look at the effects of losartan or atenolol on frequency of sexual intercourse in subjects with newly diagnosed mild to moderate hypertension.

Inclusion Criteria:

• Newly diagnosed with mild to moderate hypertension\
• Married male in stable heterosexual relationship
• No prior history of sexual dysfunction
• Satisfied with overall sex life
• Patient's spouse is in close proximity for the study
• Has had at least 2 but not more than 10 sexual intercourse events during the 2 week period prior to study start
• Patient able to visit doctor in the morning of each scheduled visit
• Able to complete the self administered health assessment questionnaire

Exclusion Criteria:

• Hypertension due to cancer, history of heart or circulatory problems
• History of mental disorder that might impair sexual function
• History or presence of drug or alcohol abuse
• Prior surgery for erectile dysfunction or other urological procedure
• No penile implant or assist devices
• History of chronic liver disease, history of diabetes
• History of severe life-threatening diseases such as, cancer, AIDS or positive HIV test
• Subjects with only 1 kidney
• Mental handicap or legal incapacity