As Walmart, Trader Joe's, and Whole Foods recall salads, here's what a food-poisoning expert says you should avoid buying

Another recall is sweeping America due to salmonella and listeria concerns.

"This year has been nuts," foodborne-illness attorney Bill Marler told Business Insider earlier in 2018, drawing comparison to political news in the Trump era. "There's so much crazy s--- ... all the time."

In an article by Health Insider from BottomLine and in conversations with Business Insider, Marler identified certain foods that he avoids — and that others should be wary of as well.

Here are the foods that this expert says scare him the most:

Pre-cut fruit and veggies

Pre-cut vegetables, like the salads at the center of the current recall, is at the top of Marler's list of foods to avoid.

The process of pre-cutting and packaging produce is a "great way to multiply bugs," he told Business Insider. Convenience may be nice, but because more people handling and processing the food means more chances for contamination, it isn't worth the risk.

"Raw water"

Marlertold Business Insiderthat the idea that he would have to warn people against drinking unfiltered, untreated water didn't cross his mind until this year.

"Almost everything conceivable that can make you sick can be found in water," Marler said.

So-called "raw water" — even from the cleanest streams — can contain animal feces, spreading Giardia, an intestinal infection that includes symptoms such as vomiting and diarrhea and results in roughly 4,600 hospitalizations a year.

E. coli, cholera, and hepatitis A, which led to 20 deaths last year in an outbreak in California, can also be spread through untreated water.

Raw sprouts

Sprout-related outbreaks are surprisingly common, withmore than 30 bacterial outbreaks— primarily salmonella and E. coli — in the past two decades.

"There have been too many outbreaks to not pay attention to the risk of sprout contamination," Marler says. "Those are products that I just don't eat at all."

Uncooked flour

Uncooked flour is at the other end of the spectrum — something most people see as harmless but that can actually spread bacteria, Marler says.

Citing a study in the New England Journal of Medicine,Consumer Reports saidthat from late 2015 to September 2016, 56 people in 24 states developed an E. coli infection from eating raw or uncooked flour.

Marler says that while most people think raw eggs are the biggest food-poisoning threat in cookie dough, the flour can also be a culprit. And you don't even have to eat it — simply not washing your hands after getting uncooked flour on them can help spread E. coli bacteria.

Raw oysters

Marler says he has seen more foodborne illnesses linked to shellfish in the past five years than in the two preceding decades.

The culprit? Warming waters, he says.

As global waters heat up, they produce microbial growth that can end up in the raw oysters that consumers slurp down.

Rare meat

Marler and President Donald Trump have at least one thing in common: They are ordering their steaks well-done.

According to Marler, meat needs to be cooked to 160 degrees throughout to kill bacteria.

Uncooked eggs

For anyone who remembers the salmonella epidemic of the 1980s and early '90s, this is a no-brainer.

According to Marler, the chance of getting food poisoning from raw eggs is much lower today than it was 20 years ago. But he still isn't taking any chances. However, in April, the FDA announced a recall of 206 million eggs oversalmonella-contamination concerns.

Unpasteurized milk and juices

A precursor to the raw-water trend was the movement encouraging people to drink "raw" milk and juices, arguing that pasteurization depletes nutritional value.

Marler says pasteurization is not dangerous, but raw beverages can be, as skipping the safety step means an increased risk of contamination by bacteria, viruses, and parasites.

"There's no benefit big enough to take away the risk of drinking products that can be made safe by pasteurization," he said.

As Walmart, Trader Joe's, and Whole Foods recall salads, here's what a food-poisoning expert says you should avoid buying

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