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An important theoretical development was Nikolaas Tinbergen's distinction made originally in ethology between evolutionary and proximate mechanisms. [75] Randolph M. Nesse summarizes its relevance to medicine: all biological traits need two kinds of explanation, both proximate and evolutionary.
In China, Japan, India, and Germany, there is a great deal of interest in and support for the search for new drugs from higher plants. [4] For example, the Herbalome Project was launched in China in 2008 and aims to use high throughput sequencing and toxicity testing to identify active components in traditional herbal remedies.
Under certain conditions, it may result in preferential growth of resistant bacteria, while growth of susceptible bacteria is inhibited by the drug. [84] For example, antibacterial selection for strains having previously acquired antibacterial-resistance genes was demonstrated in 1943 by the Luria–Delbrück experiment . [ 85 ]
In pharmacology, biological activity or pharmacological activity describes the beneficial or adverse effects of a drug on living matter. [1] [2] When a drug is a complex chemical mixture, this activity is exerted by the substance's active ingredient or pharmacophore but can be modified by the other constituents. Among the various properties of ...
Management of tuberculosis refers to techniques and procedures utilized for treating tuberculosis (TB), or simply a treatment plan for TB.. The medical standard for active TB is a short course treatment involving a combination of isoniazid, rifampicin (also known as Rifampin), pyrazinamide, and ethambutol for the first two months.
Crude drugs are the dried, unprepared material of plant, animal or mineral origin, used for medicine. The study of these materials under the name Pharmakognosie was first developed in German-speaking areas of Europe, while other language areas often used the older term materia medica taken from the works of Galen and Dioscorides.
Avoid large crowds, and avoid standing or sitting near obviously sick individuals whenever possible. And if your vacation involves a pool, beach or any other body of water, remember to follow ...
Serum sickness in humans is a reaction to proteins in antiserum derived from a non-human animal source, occurring 5–10 days after exposure. Symptoms often include a rash, joint pain, fever, and lymphadenopathy.