US Bans Red Food Dye over Possible Cancer Risk

Fruit by the Foot, a product that uses Red Dye No 3, can be seen on a shelf at a supermarket in this illustration photograph on December 27, 2024 - AFP
Fruit by the Foot, a product that uses Red Dye No 3, can be seen on a shelf at a supermarket in this illustration photograph on December 27, 2024 - AFP
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US Bans Red Food Dye over Possible Cancer Risk

Fruit by the Foot, a product that uses Red Dye No 3, can be seen on a shelf at a supermarket in this illustration photograph on December 27, 2024 - AFP
Fruit by the Foot, a product that uses Red Dye No 3, can be seen on a shelf at a supermarket in this illustration photograph on December 27, 2024 - AFP

Outgoing US President Joe Biden's administration on Wednesday announced a ban on Red Dye No 3, a controversial food and drug coloring long known to cause cancer in animals.

Decades after scientific evidence first raised alarm, Red 3, as it is also called, is currently used in nearly 3,000 food products in the United States, according to the nonprofit Environmental Working Group.

"FDA is revoking the authorized uses in food and ingested drugs of FD&C Red No 3 in the color additive regulations," said a document from the Department of Health and Human Services, published in the Federal Register on Wednesday, AFP reported.

The decision follows a petition filed in November 2022 by the Center for Science in the Public Interest (CSPI) and other advocacy groups, which cited the "Delaney Clause" -- a provision mandating the prohibition of any color additive shown to cause cancer in humans or animals.

Notably, the FDA determined as early as 1990 that Red 3 should be banned in cosmetics because of its link to thyroid cancer in lab rats.

However, the additive continued to be used in foods, largely due to resistance from the food industry. Manufacturers of maraschino cherries, for example, relied on Red 3 to maintain the iconic red hue of their products.

It's also present in thousands of candies, snacks and fruit products.

The United States is one of the last major economies to take action on the dye. The European Union prohibited its use in 1994, with similar bans implemented in Japan, China, the UK, Australia and New Zealand.

CSPI hailed the decision as overdue and expressed hope it would lead to further action against other potentially harmful chemicals in food.

"They don't add any nutritional value, they don't preserve the food -- they're just there to make food look pretty," Thomas Galligan, a scientist with CSPI, told AFP.

"There's growing discussion across the political spectrum about food additives and chemicals, which reflects ongoing failures by the FDA."



Newly Spotted Comet Is Third Interstellar Object Seen in Our Solar System

 This undated diagram shows the trajectory of the interstellar comet 3I/ATLAS as it passes through the solar system, released by NASA on July 2, 2025. (NASA/JPL-Caltech)
This undated diagram shows the trajectory of the interstellar comet 3I/ATLAS as it passes through the solar system, released by NASA on July 2, 2025. (NASA/JPL-Caltech)
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Newly Spotted Comet Is Third Interstellar Object Seen in Our Solar System

 This undated diagram shows the trajectory of the interstellar comet 3I/ATLAS as it passes through the solar system, released by NASA on July 2, 2025. (NASA/JPL-Caltech)
This undated diagram shows the trajectory of the interstellar comet 3I/ATLAS as it passes through the solar system, released by NASA on July 2, 2025. (NASA/JPL-Caltech)

Astronomers are tracking a newly spotted comet hailing from parts unknown, only the third time such an interstellar object has been observed visiting our solar system.

According to US space agency NASA, the interloper - named 3I/ATLAS - was first spotted on Tuesday by an Asteroid Terrestrial-impact Last Alert System, or ATLAS, telescope located in Rio Hurtado, Chile. Astronomers said its unusual trajectory indicated it had ventured from beyond our solar system.

Journeying at a speed of around 37 miles (60 km) per second from the direction of the center of the Milky Way galaxy, 3I/ATLAS is presently located about 420 million miles (670 million kilometers) from Earth.

"Beyond that we do not know very much, and there are many efforts underway to observe this object with larger telescopes to determine composition," University of Hawaii astronomer Larry Denneau, co-principal investigator for ATLAS, said on Thursday.

The only other such interstellar visitors previously observed by astronomers were objects called 1I/'Oumuamua (pronounced oh-MOO-uh-MOO-uh), detected in 2017, and 2I/Borisov, discovered in 2019.

"The comet has some similarities to 2I/Borisov in that it appears to be an icy comet, but it is much larger, possibly 10 km (6.2 miles) in diameter," Denneau said.

"It currently has a faint coma," Denneau added, referring to the cloud of gas and dust surrounding a comet's nucleus, "but the coma and tail may increase dramatically as the object comes closer to the sun. Its closest approach to the sun will be later this year, when it will come inside the orbit of Mars. We don't know what will happen, so that's exciting."

Astronomers said the comet poses no threat to Earth and will never come closer than 150 million miles (240 million km) away, equivalent to more than 1-1/2 times the distance between Earth and the sun. It is currently located about 416 million miles (670 million km) from the sun and will reach its closest approach to the sun around October 30, when it will be about 130 million miles (210 million km) away from our star.

The ATLAS network is a NASA-funded telescope survey built and operated by the University of Hawaii, with five telescopes around the world that scan the night sky continuously to look for objects that could threaten Earth.