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exactly the case of the famous baseball player Lou Gehrig, that suffered this condi-
tion from 1938 to 1941. Interestingly, figure 20.4 shows the LIC of the same illness,
this time representing the case of the known cosmologist Stephen Hawking. The
curve shows the debut of the condition in his twenties, a tracheotomy that resulted
into a permanent aphonia in his forties and some severe infectious disorders at his
sixties.
Fig. 20.4
LIC of a patient suffering Amyotrophic Lateral Sclerosis. Stephen Hawking case.
Fig. 20.5
LIC of a patient affected by diabetes with good diagnostic and treatment
Figure 20.5 shows the LIC of a patient affected by type-1 diabetes mellitus that
debuts at 15 years old, is correctly diagnosed and is treated adequately by means
of insulin therapy, diet and exercise. As can be seen, under such circumstances the
values
t
remain relatively low through his life and only from his sixties he
can start to suffer diabetes-related complications that spark the apparition of other
conditions such as blindness, kidney failure and so on [4].
Figure 20.6 shows two possible evolutions of patients suffering acquired immune
deficiency syndrome (AIDS), one of them living in a third world country (the one
μ
I
(
x
)
,
