Mark Johnson
Milwaukee Journal Sentinel
Milwaukee, WI, United States
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Past articles by Mark:
State investigating mysterious hepatitis cases in four children, including one who died
At least four children in Wisconsin, including one who died and one who required a liver transplant, have come down with mysterious hepatitis cases. → Read More
Elaine Ruth Schreiber, former Wisconsin First Lady, dies from Alzheimer's Disease at 82
Elaine Ruth Schreiber, former Wisconsin first lady who advocated for patients battling Alzheimer's Disease, died in her sleep early Monday morning. → Read More
Study co-authored by a UW researcher finds benefit to treating women even with just mild high blood pressure
Until the new study, there had been some concern that taking blood pressure medication while pregnant might increase the risk that babies would be born small for their gestational age. → Read More
Wisconsin reports the first death of a child due to a rare, mysterious condition linked to COVID-19
Multisystem Inflammatory Syndrome in Children related to COVID-19 can damage blood vessels and even cause a child to suffer a heart attack. → Read More
Look up! The planet-busting threat called climate change is already here
Think of the pandemic as a wave sweeping ashore. Behind it looms a tsunami magnitudes larger. Climate change, the real planet-buster, has arrived. → Read More
'Drug cocktail' may be needed as COVID variants attack immune system on multiple fronts
Variants of the new coronavirus have developed key mutations that not only enable the virus to latch onto human cells more tightly, but also delay our body's immune response. → Read More
UW researcher finds an unusual possibility for treating people with COVID-19: Shark antibodies
Nurse sharks gliding around a tank at the University of Wisconsin-Madison may hold the secret to an unusual treatment for COVID-19, according to a new study in the journal Nature Communications. → Read More
The Journal Sentinel is researching the science of empathy, and we want to hear your stories from the last year
An intense anger has accompanied both the COVID-19 crisis and the 2020 election. Explanations may lie in recent research on empathy in our brains. → Read More
Trial by pandemic: In their initiation as doctors, they face the worst health care crisis in a century
Three Medical College of Wisconsin graduates spend their first year as hospital residents engulfed in death, isolation and fatigue due to COVID-19. → Read More
A nearly decade-long research project yields a breakthrough in understanding cancer and how to attack it
The research reveals for the first time how hundreds of different interactions between proteins can lead to cancer. → Read More
Cancer research breakthrough: Here are the answers to six key questions about the landmark studies
New studies in the journal Science explore cancer's complex machinery and find that it offers a multitude of possible targets for treatment. → Read More
20 years later, we're still absorbing the meaning of 9/11 for ourselves and for our country
More than 100 million Americans today — almost one-third of the population — were not born when 9/11 happened. Still, it influences their lives. → Read More
Hospital manager balked at getting a vaccine. Now, his girlfriend is spreading the lesson of his death from COVID.
While the vast majority who have died from COVID-19 have been over age 50, the disease has claimed thousands of younger Americans. → Read More
UW School of Medicine to begin enrolling children ages 6 months to 11 years for Moderna COVID-19 vaccine trial
The vaccine will be the same one used with adults, but the trial will help determine the correct dosage for kids. → Read More
Q & A: State trends indicate COVID-19 patients are younger, unvaccinated and have delta variant
The Milwaukee Journal Sentinel is taking questions from readers and getting them answered by top doctors in Wisconsin. → Read More
New UW clinic to use latest genetic technology to help patients with unknown diseases
Twelve years after scientists in Wisconsin delved into all of the genes of a young Monona boy, diagnosed a new disease and saved the child's life, a new clinic will try to do the same for scores of other people suffering from mysterious illnesses. → Read More
Plasma from recovered COVID patients show remarkable effectiveness against patients with coronavirus, blood cancer
The study results also suggest that plasma may help COVID-19 patients with other conditions such as auto-immune diseases and congenital immune deficiencies. → Read More
Six fascinating facts about one of our closest relatives on the planet: Bonobos
Previously known as "pygmy chimpanzees" or "dwarf chimpanzees," bonobos were not recognized as a distinct species until 1929. → Read More
New vaccines developed to fight COVID-19 pandemic could break ground in cancer treatment
Scientific advances made in the push to understand and treat COVID-19, could also transform research into one of humankind's oldest foes: cancer. → Read More
That second shot of COVID-19 vaccine can cause a headache and then some, but it works
Both vaccines require two shots, and for some recipients, that second shot can be a doozy. → Read More