Even though the article was published by Bild (which is a strong indicator that you have to check the sources yourself) and has no verifiable source, it sounds correct.
In 2009, Sandra Kuhn wrote a dissertation in medicine at the University of Hamburg about "Auto-erotic deaths in Hamburg and Munich 1983-2002" 
In the 20 years, she found 101 cases (100 ...
Possibly. We cannot be sure. There are no official statistics about that.
The origin of this claim is German tabloid Bild:
80 bis 100 Tote jährlich durch Selbstbefriedigung
80 bis 100 Menschen sterben Schätzungen zufolge jedes Jahr bei riskanten Selbstbefriedigungspraktiken in Deutschland. Der Brandenburger Rechtsmediziner Harald Voß geht von ...
Snopes did a fact check and found that a recent variant of this story, set in Detroit - which they say was derived from the older Brazilian version - was false.
They questioned how anyone knew the exact number of times that boy pleasured himself before dying.
Like similar dubious claims, the story had plenty of holes (such as the question of precisely ...
There's a great article about the history of circumcision and the arguments on both sides here, (also the core of it (without author's opinion) is excerpted here). It's worth noting that neither Mosaic nor Ars Technica are scholarly journals, nor is this an academic paper - rather, this is science journalism with references.
On the origins of circumcision ...
The whole idea that prone masturbation is harmful started in 1998 when Dr. Lawrence I. Sank proposed a theory of sexual dysfunction called Traumatic Masturbatory Syndrome (TMS) (1) .
In his journal article, Dr. Sank speculated that the habit of masturbating prone (while lying face down — tending to rub penis against your hand, the surface of the floor, bed,...
The number of auto-erotic asphyxiation deaths is actually assumed to be higher than reported because it is theorized that a good number of auto-erotic asphyxiation deaths are discovered by a family member or loved one who then "clean up" the scene to make it look like a regular suicide by hanging in order to protect the dignity of the departed and the loved ...
The answer is yes.
Every year male elephant face a period called Musth.
Musth is a periodic condition in bull (male)
elephants, characterized by highly aggressive behavior and accompanied
by a large rise in reproductive hormones.
There chances that to overcome the high level of testosterone, they might (ahem) "trunk" themselves.
Rare behavior ...
Male masturbation lubricants are fairly mainstream on Amazon.com.
For example this personal lubricant is clearly marketed for male masturbation and it's one of the top 100 personal lubricants on Amazon.com:
This is the highest seller among the three masturbation creams mentioned by Wikipedia as being in common use.