Urinary tract infections (UTIs)are common, especially in women. Their symptoms—pain, burning, and frequent urges to urinate—can be both uncomfortable and disruptive. For many, finding effective treatment quickly is essential. Choosing the right antibiotic can make all the difference in getting fast...
What are the best antibiotics for a tooth infection? Is clindamycin a strong antibiotic? Can I take clindamycin if I am allergic to penicillin? How is a Strep throat diagnosed? A throat swab taken by a doctor and then cultured in a laboratory is the only way to definitively tell if a so...
What is the difference between natural selection and adaptation? Natural selection is a process whereas adaptation is a characteristic. The process of natural selection insures animals and plants with the more successful traits -- ability to find food and mates, ability to ward off illnesses, abili...
A urine culture may be order, too, but is not always needed to start antibiotic treatment.A urine culture can define the specific bacteria causing the UTI in more complicated cases or in the case of treatment failure. If the urine culture is negative, your doctor may decide to do ...
The word antibiotic means “against life.” Any drug that kills germs in your body is technically an antibiotic, but most people use the term when they’re talking about medicine that kills bacteria. History of antibiotics Scientists introduced the first antibiotic, salvarsan, in the early 1900...
Organic farming is based on holistic, ecologically balanced agricultural principles involving soil fertility, crop rotation and natural pest control. It may sound like an elusive concept, but the basis for organic farming is actually very simple: Allow nature to do what nature does best. Many every...
Structure of povidone-iodine complex, the most common antiseptic in use today. What is a natural antiseptic? Some natural antiseptics include witch hazel, thyme, calendula, tea tree oil, eucalyptus, lavender and grapefruit seed extract. The botanical extracts have natural antiseptic properties and ca...
What targets the protease to the "walking" virus?Which qualities are essential for antibiotics to be useful as a chemotherapeutic agent?What is antibiotic resistance? How do bacteria become resistant to antibiotics? Your answer should include the concepts of mutation and natural selection....
Natural resistance manifests in all strains of the same species of bacterium that has a constitutional insensitivity toward a given antibiotic. Acquired resistance is a variation induced by selection in strains that, in the context of a microbial species originally sensitive to an...
DSBs incapacitate the virus because viruses lack their own DNA repair mechanisms. Once Dr. Doudna and Dr. Charpentier revealed the molecular mechanism that enabled the natural CRISPR-Cas9 system to cut DNA, the next question was obvious: if Cas9 is given a different guide RNA sequence, could ...