McKenzie is a science and health journalist based in Washington, DC.

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Writing
What bird flu experts are watching for in 2025
Science News
What bird flu experts are watching for in 2025
Science News

They’re eyeing the cattle outbreak, viral genetic changes and federal actions

Science News
Obesity needs a new definition beyond BMI, health experts argue
Science News
Obesity needs a new definition beyond BMI, health experts argue
Science News

BMI labels some people as having a disease, even if their excess body fat isn’t causing harm

Science News
What to know about the first bird flu–related death in the U.S.
Science News
What to know about the first bird flu–related death in the U.S.
Science News

A Louisiana man who died with H5N1 contracted it from a backyard flock and wild birds

Science News
AI helps doctors detect more breast cancer in the largest real-world study
Science News
AI helps doctors detect more breast cancer in the largest real-world study
Science News

The results show AI could streamline the cancer screening process

Science News
The unique neural wiring of the human hippocampus may maximize memory
Science News
The unique neural wiring of the human hippocampus may maximize memory
Science News

The memory center contains sparse but robust nerve cell connections

Science News
Neandertal genes in people today came from hook-ups around 47,000 years ago
Science News
Neandertal genes in people today came from hook-ups around 47,000 years ago
Science News

Two genetic analyses clarify when Neandertal genes infiltrated Homo sapiens DNA

Science News
Cedars-Sinai spearheads first national certification program for COE staff at cancer centers
The Cancer Letter
Cedars-Sinai spearheads first national certification program for COE staff at cancer centers
The Cancer Letter

The NCI Cancer Center Support Grant requires community outreach and engagement, but the design and implementation of COE programs, as well as staff training, are largely left to individual institutions.

The Cancer Letter
Larry Einhorn, pioneer of platinum-based chemotherapy, discusses 50 years of cancer treatment innovation
The Cancer Letter
Larry Einhorn, pioneer of platinum-based chemotherapy, discusses 50 years of cancer treatment innovation
The Cancer Letter

When Larry Einhorn was a young physician in the early 1970s, actinomycin-D was the standard drug used to treat testicular cancer.

The Cancer Letter
Ready or not, AI-based decision support tools are entering oncology clinics
The Cancer Letter
Ready or not, AI-based decision support tools are entering oncology clinics
The Cancer Letter

Regulators and health systems must adapt

The Cancer Letter

Complete Portfolio

Nature

Nature

Scientific American

Scientific American

Science News

Science News

Science News Explores

Science News Explores

American Physical Society News

American Physical Society News

The Cancer Letter

The Cancer Letter

Grow

Grow

Stanford News Service

Stanford News Service

American Association for the Advancement of Science

American Association for the Advancement of Science

AARP

AARP

Art the Science

Art the Science

Mongabay

Mongabay

Eos

Eos

The Mercury News

The Mercury News

The Monterey Herald

The Monterey Herald

Santa Cruz Sentinel

Santa Cruz Sentinel

KSQD Community Radio

KSQD Community Radio

National Association of Science Writers

National Association of Science Writers

Good Times

Good Times

University of California, Santa Cruz

University of California, Santa Cruz

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