Insanity
* causes a desire to kill
  - scuba dives
* defense to certain crimes that require proof of intent.
* has no party lines, it affects the whole body.
* is an invention of idealists
  - curable if there are no incurable results of disease
  - doing the same thing over and over, and expecting different results
  - foreign to psychiatry
  - health
  - hereditary in that family
  - largely the result of degen- eracy
  - mental illnesses
* is often the lofic of an accurate mind overtaxed
  - logic of an accurate mind overtaxed
* is the exception in individuals
  - mental inability to distinguish what is right from what is wrong
  - result of having too much to say and no one to listen
  - root of all genius
  - seeming inability to learn from past mistakes
  - worst thing that can happen to an individual as a result of non-control of the mind
  - trying the same thing over and over and expecting a different result
* makes people turn on themselves and others.
* mental condition
* relative term.
* state of mind But never let it go
  - in which the individual is out of touch with reality

Infrared heating
* is done by using lamps which are designed to emit energy in the infrared spectrum.
* provides steady heat without the drafts of blowers and fans.

Involuntary smoking
* cause of death and disease, including lung cancer, in healthy nonsmokers.
* cause of disease, including lung cancer, in healthy non-smokers
* is just as harmful as direct smoking.

Inattention
* appears to be more evenly distributed between males and females.
* can lead to accidents.
* causes a person to get bored with a task very quickly.
* common cause of crashes.
* is also a common symptom of both depression and anxiety.
* pervasive problem among all age groups of both genders.

Insufficient lubrication
* can also cause pain.
* is the most common cause of noise and wear.

Ischemic colitis
* is the most common form of bowel ischemia
  - usually a localized process rather than a diffuse one
* occurs as the result of reduced blood flow to the intestines
  - due to a disease process causing a reduction of blood supply to colon
* results from a lack of blood flow to the colon leading to death of bowel tissue.
  * It occurs more often in older people. Ischemic colitis is the most common form of bowel ischemia.
* serious condition caused by reduced blood flow to the intestines
  - in which blood supply to the colon is compromised

Indian philosophy
* has a very precise understanding of the 'inner' world.
* is based on perception or seeing
  - revered throughout the world

Indium
* byproduct of the formation of lead and zinc
* can be expensive, and gallium as well.
* enters the roaster as an element of zinc concentrates.
* is about as rare as silver
  - also part of the alloy, galinstan, which non-toxic liquid at room temperature
  - chemical elements
  - metal
  - metallic elements
* is soft enough, that it rubs on to other objects like graphite and lead
  - that it rubs onto other objects in much the same way as graphite and pencil lead
* lends several desirable properties to solders, where it can replace lead.
* looks like zinc.
* malleable, silvery-white metal found primarily in ores of zinc and tin.
* manufacturer of solder.
* moderately toxic metal by inhalation and mildly toxic by ingestion.
* occurs predominantly in solid solution in sphalerite, a sulfide ore of zinc.
  * ' chemical element. It has the chemical symbol 'In'. It has the atomic number 49. It rare metal. It soft, malleable and poor metal. Indium looks like zinc. Pieces of indium can easily be joined together by pushing one piece into another. The chemistry of indium is quite like aluminium or gallium. Zinc ores are the main source of indium.
* soft metal found in zinc and copper ores, and is captured during the refining process.
* very soft, silvery-white lustrous metal
  - metal with a brilliant luster