The contraceptive pills available in the market typically contain Steroid Hormones. These hormones, such as estrogen and progestin, regulate the menstrual cycle and prevent ovulation, thereby inhibiting pregnancy when taken as directed.
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Malaria being spread by female Anopheles mosquitoes was first discovered by Ronald Ross. He made this groundbreaking discovery in 1897 while working in India, which led to significant advancements in understanding the transmission and control of malaria.
The disease transmitted only by inheritance among the options is Haemophilia. It is a genetic disorder characterized by a deficiency in clotting factors and is inherited through a recessive X-linked pattern, primarily affecting males.
Malaria parasites that cause deadly malaria are Plasmodium falciparum. This species is responsible for the majority of severe malaria cases and deaths globally, making it the deadliest of the malaria parasites.
The virus that causes AIDS was identified in the year 1983. This significant discovery marked the isolation and characterization of the Human Immunodeficiency Virus (HIV) by scientists Françoise Barré-Sinoussi and Luc Montagnier in France.