Given a passage and a query based on the passage, generate an unambiguous, concise and simple answer to the query from information in the passage. Note that the answer may not be present in exact form.

Ex Input:
Medical Marijuana Facts: Cannabis May Simplify Organ Transplantation. 1 Organ transplant rejection is a serious problem that is of a frequent occurrence in medical practice. While there are various methods to stop the rejection of the transplant by the immune system, they are not applicable in each case. Hair-based drug tests are the most accurate, as the chart below shows, since traces of everything from alcohol to morphine can remain in the follicle for up to 90 days: Dragan Radovanovic/Business Insider A federal mandate requires that drug tests screen for all five of these types of drugs. Time Frame Hair drug tests can detect drugs that have been in the system for 90 days, or three months. Considerations Many consider hair testing to be much more effective than urine testing because the results cannot be as easily tampered with. The hair test can also detect drugs that have been in the system for a much longer period of time than a urine test. Fact In order for the hair test to be accurate the sample of hair used must contain 90 to 120 strands of hair. How long does marijuana stay in your system once smoked? How do you determine how long weed will stay in your system when doing a drug test or a hair folicle test I am 5'4, weighing 335 lbs hoping that helps. Hair drug testing. Hair testing may be used to determine drug use over the longer term, usually over a 90-day period of time. Hair can be tested for cocaine, marijuana, opiates, methamphetamine, phencyclidine, and alcohol. What happens during workplace drug testing? Drugs can usually be detected in the saliva for only a few hours to a few days. Hair test. Analyzing the hair for chemical traces may be the most accurate way to test for long-term drug use. Because hair grows slowly (only about 0.5 inches per month), traces of certain drugs can be detected for months. Hair analysis requires more processing time than urine or blood testing. Alcohol 14 Panel Hair Follicle Drug Test $750.00; Does body hair show a longer period of drug use? Now, what if you don't have hair on your head that is at least an inch and a half? Well, in that case, we can test underarm, leg, or chest hair. Occasionally, we test beards. just now. 1 If it is a hair FOLLICLE test the drugs will only stay in there for a couple of weeks to a month. If the ENTIRE STRAND (length of the hair from the scalp to the end) is being tested, drugs could stay in there for as much as a year depending on what kind of drugs, the amount used and the time period over which they were used. What Can Affect How Long Do Drugs Stay In Your System? A drug test does not look for the actual drug in your system. It looks for something called a metabolite. When you ingest a substance your body changes (metabolizes) that substance into one or more metabolites. It is these metabolites the drug tests looks to identify. The Varying Detection of Drug Testing Timelines. 1 Single or small doses of any given drug won't last as long in your system and are not as easily detected. 2 If you have a fast-metabolic rate, you will have a shorter detection of the drug in your body. 3 Your body mass will determine how fast or slow your body metabolises. Query: how long does drugs stay in the hair

Ex Output:
Drugs stay in the hair for 90 days.

Ex Input:
That would be alot of work, only replace what you need to. Unless it is your sewer line then i would replace it all to the main. I agree with answer # 1. IN ADDITION: Back in the day, cast iron joints were sealed together with hot lead. Depending on the position of the cast iron pipe and the size of it. Either one can cut the cast iron piping and clamp PVC to it or you can melt the old lead out of the cast iron joints and place PVC piping inside and then recork (reseal) it with prattley putty to prevent it from leaking. the flow of water: slow drainage is often the first indication of a problem, and homeowners may find themselves calling the plumber every six months to clear out the pipe. The average lifespan of cast iron drain/sewer pipe is 50 to 65 years. It is easily recognized by the thickened female "hub" at each pipe segment connection. Rust eventually eats through cast iron, primarily from the inside out, as shown in the photo below. Because corrosion is accelerated by moisture, pipe with light effluent flow and installed in a dry environment can survive 20 to 30 years longer. So keep cast iron piping or cast it out? Older cast iron waste pipes should be judged on a case-by-case basis. First hire an experienced home inspector to collect information about the drain waste system's performance. Ask your home inspector to do a visual inspection of the pipes if possible. If your inspector is any Trenchless Pipe Lining LLC matches that warranty with a 50-year labor warranty since the liner has turned into rock inside the pipe and cannot move, shrink, or be displaced in any way. Interestingly, the hardened pipe liner actually DOES flex a little which allows it to accommodate ground settlement without cracking, unlike clay or cast iron sewer pipes. Re: Cast Iron Drain Pipe - Life Expectancy. I simply put cast-iron and galvanized piping will rust from the inside to the outside and eventually will need updating. If mineral deposits are noted as reported as a leak. Also be aware I have found vent pipes totally rusted out behind the wall. A good quality cast iron pipe, installed under ideal conditions, has a life expectancy of 75 100 years, and possibly even more. Cast iron does rust but when it does the rust actually forms a barrier layer over the remainder of the pipe which helps protect it from further rusting. Since most cast iron pipes were thick walled to begin with even with some rusting inside they can handle the lower pressures of waste water disposal quite well and last a long time. Cast iron also provides many other benefits in home waste systems that still makes it a good choice for homes. For all of its good points cast iron does have some problems related to it. One of the problems had to do with the varying quality of the pipe that was manufactured in earlier years. Standards for cast iron pipe have been around since the 1800's but like anything else they are voluntary standards. Cast Iron and galvanized drain pipe may appear to be in fairly good condition from the outside. When I had some cast iron drain pipe replaced, we found sever... Cast Iron and galvanized drain pipe may appear to be in fairly good condition from the outside. When I had some cast iron drain pipe replaced, we found several potential problems that would have surfaced in the near future. The estimated life expectancy for cast iron drain pipe is 60 years. I couldn't find any good estimates for the life span of galvanized pipe, however, my 2 inch pipe from the kitchen drain was almost rusted closed. What kind of paint for a cast iron drain pipe? If you want to prime it first, latex is fine or oil base by itself. You can probably get by with latex directly on the pipe, but there may be oils or dirt on it that will blee d through. Query: how long does cast iron drain pipe last

Ex Output:
The average lifespan of cast iron drain pipe is 50 to 65 years.

Ex Input:
Becoming a doctor isn't a quick process. It starts with a four-year undergraduate degree, and continues with four more years in a medical or osteopathic medical school. After graduation, ... Certification is not required for physicians and surgeons; however, it may increase their employment opportunities. M.D.s and D.O.s seeking board certification in a specialty may spend up to 7 years in residency training; the length of time varies with the specialty. That residency, which typically involves grueling 80-hour workweeks, is required even if a doctor previously did a residency in a country with an advanced medical system, like Britain or Japan. The only exception is for doctors who did their residencies in Canada. The following specialists are some of the most common examples: 1 Allergists (specialists in diagnosing and treating hay fever or other allergies) 2 Cardiologists (heart specialists) 3 Dermatologists (skin specialists) 4 Gastroenterologists (digestive system specialists) 5 Ophthalmologists (eye specialists) A residency is like a job, and the resident generally works normal hours depending on the particular setting, gets a salary or stipend, has holidays and personal time off, and benefits like health insurance. So again, internship is simply the first year of residency. Residency can be anywhere from 2 more to 6 more years, depending on the specialty you choose. Many super-specialties have further training after residency, called fellowship - these can be 1 to 3 years in length. The link(s) below go to OES data maps for employment and wages by state and area. 1 Anesthesiologists. 2 Family and general practitioners. 3 Internists, general. 4 Obstetricians and gynecologists. 5 Pediatricians, general. 6 Physicians and surgeons, all other. 7 Psychiatrists. 8 Surgeons. How Long Does Medical Residency Training Last? Medical residency is a minimum of three years for primary care physicians and some other specialties, up to five years for some surgical specialties. (Some medical specialties require additional years of fellowship training in addition to the three to five years of residency training.) General Internists serve as primary care physicians, along with family medicine doctors and pediatricians. The biggest difference between Family Medicine and Internal Medicine is that IM training focuses on adults, with residents spending time between various adult medicine subspecialties. What We Do. The AMA is leading meaningful innovation to enable a better health care system for patients, physicians and the country. Query: how long does a doctor do a residency

Ex Output:
Medical residency is a minimum of three years for primary care physicians and some other specialties, up to five years for some surgical specialties.